City Thermoplastic Engineering mark City Thermoplastic Engineering Sdn BhdBalakong, Selangor · established 1991

Air and water pollution control equipment, chemical storage and process piping, designed and fabricated in Balakong to Department of Environment requirements.

Five problems a plant brings us. What we build for each.

City Thermoplastic Engineering has fabricated in composite and thermoplastic since 1991: packed-bed scrubbers, dust collectors, FRP and thermoplastic tanks, industrial and composite piping, electroplating lines and water and wastewater treatment plant. This page is arranged by the problem, not the product.

  1. Acid fumes and exhaust gasPacked-bed tower scrubber, mist removal, ventilation and filtration
  2. Dust from the processDust collector with ducting, designed to DOE requirements
  3. Chemicals that eat steelFRP and thermoplastic tanks, vessels, silos and reactors
  4. Process lines that corrodeIndustrial piping in eleven materials, COTEO composite and GRP systems
  5. Effluent and process waterWater and wastewater treatment plant piping, tanks and skids
A scrubber tower and exhaust stack rising above FRP tanks at an outdoor plant, photographed by CTE
Scrubber tower and stack over FRP tanks. From CTE's air-treating equipment record. Site and year: owner to confirm.
Company no. 199901025377 (500277-K)ISO 9001:2015, SIRIM QMS 02661Balakong, Ho Chi Minh City, Singapore

Acid fumes and exhaust gas

Answered with exhaust gas and air treating equipment, manufactured to the requirements stipulated by the Department of Environment.

The problem

A pickling, plating, etching or laboratory process gives off acid vapour or solvent-laden air. It reaches the roof vent untreated, corrodes the ducting and the roof around it, and the discharge does not meet the air-quality standard the plant is held to.

The equipment has to be sized to the actual gas — its properties, flow and concentration — or it will not perform, whatever the brochure says.

What CTE builds

CTE has manufactured air treatment equipment for factories and laboratories for more than ten years and, in its own words, "has established the real time data which accumulated throughout years of hands on experience, hence consistently meeting the standards of air quality discharged for the system installed." Many air-treating designs, it notes, ignore the gas properties that decide whether a system works; its own are designed from them.

  • EquipmentPacked-bed tower scrubber · water and oil mist removal unit · ventilation and filtration system
  • MaterialsComposite (FRP) and thermoplastic (PP) construction; PP packing media and nozzles; FRP scrubbers, fans and ducting (from CTE's own product listing)
  • ComplianceEquipment completed "in accordance to the requirements stipulated by the Department of Environment"
  • ScopeDesign, fabrication, ducting and installation; CAD and 3D modelling in-house
Grey packed-bed scrubber unit with fan installed inside a factory
Scrubber with fan, indoor installation. Owner to confirm site.
Scrubber tower mounted on a factory exterior wall
Scrubber tower on an exterior wall. Owner to confirm site.

Dust from the process

Answered with a dust collector and the ducting to reach it, from the same air-treating range.

The problem

Grinding, blasting, mixing, bagging or a furnace line puts particulate into the working air and out of the stack. It settles on product and machinery, it is a health and housekeeping problem on the floor, and it is a measured discharge at the boundary.

The plant needs capture at the source, ducting that survives the environment, and a collector matched to the load and the particle.

What CTE builds

Dust collectors and the ventilation and filtration systems around them, with the ducting supplied and installed. CTE lists the dust collector alongside the packed-bed scrubber as one of its four air-treating products, built to the same Department of Environment requirements. Where a process gives off both dust and fume, the collector and scrubber are engineered as one system.

  • EquipmentDust collector · ventilation and filtration system · ducting and duct installation
  • ConfigurationAs photographed by CTE: cyclone collector with stack, and free-standing units with access ladder and platform (owner to confirm the range offered)
  • ComplianceDepartment of Environment discharge requirements
Red-painted dust collector with access ladder outside a factory
Dust collector with access ladder.
Blue dust collector with cyclone and stack beside a factory building
Cyclone collector and stack.
FRP tanks and ducting inside a plant room
Ducting and FRP tanks in a plant room.

Sites and dates for these installations are held by CTE and are not published on cte.com.my; the captions describe only what is visible.

Chemicals that eat steel

Answered with storage tanks and vessels in plastics, composites and combined materials, selected from the chemical, concentration and temperature.

The problem

Concentrated acid, caustic, hypochlorite or a solvent blend has to be stored or reacted, often warm. A steel tank corrodes; a lined tank fails at the seam; the wrong plastic softens at the operating temperature. The plant needs a tank whose material is chosen for the chemical it will hold, with the calculation to prove it.

What CTE builds

"From storage container, insulated tank, high temperature reaction tank, raw material storage silo, horizontal vessel to ASTM-complied reactor." CTE provides "analysis of user's requirement, detailed calculation and engineering consideration" before making the tank, and publishes the limits it works to:

Maximum resisting temperature (°C) of standard plastics against common chemicals — as published by CTE
ChemicalPVCHDPEPPGRPPVDF
Aluminium sulfate6060104116149
Aluminium chloride606093127149
Calcium carbonate606011682138
Chromic acid–2660–116
Ferric chloride54549393132
Hydrochloric acid54548776132
Nitric acid54–––43
Sodium hydroxide6060989898
Sodium hypochlorite60543832138
Sulfuric acid60159382116

Values reproduced from cte.com.my/catalog/storage-tank-and-vessel. Final selection depends on concentration and duty; CTE confirms it per enquiry.

Vertical FRP tank with access ladder installed against a green factory wall
Vertical FRP tank, outdoor.
Conical-bottom hopper silo on steel legs in CTE's workshop
Conical-bottom silo, in the workshop.
A batch of black HDPE tanks awaiting delivery
HDPE tanks, a batch before delivery.
Two large tanks being lifted by a mobile crane on site
Tanks going in by crane. Site: owner to confirm.

Process lines that corrode

Answered with industrial piping in the material the duty calls for, and with CTE's own COTEO composite and GRP piping systems.

The problem

Treated water, chemical feed, effluent and exhaust each attack a different material. A line that was fine in carbon steel fails once the chemistry changes; a hand-laid pipe is inconsistent from length to length; corrosion products foul the pumps downstream. The plant needs the material matched to the fluid and a piping contractor who has done it before.

What CTE builds

CTE has supplied and installed industrial water and specialty piping systems since 1991, "from serving the traditional SMEs to some of those high profile manufacturing facilities in and outside of the country". Materials are chosen to the application, the consultant's or process designer's specification, or the end user's preference:

  • ThermoplasticPVC · ABS · HDPE · PP · PVDF · PTFE · PFA
  • CompositeFRP · GRP liner · dual laminate
  • MetalCarbon steel · stainless steel · alloy steel
COTEO piping systems — specifications as published by CTE
SystemCOTEO CPS composite pressure pipingCOTEO NP GRE non-pressure GRP piping
ConstructionComposite pipe with a range of resins and liners; GRP liner and dual-laminate optionsHigh-strength fibreglass and epoxy resin, machine filament-wound on a mandrel
Nominal diameter25 – 1,200 mm80 – 2,000 mm
Pressure30 – 150 psi nominalNon-pressure service
Maximum temperature110 °C operating110 °C working
Standard lengths3, 5 and 6 m3, 5 and 6 m
StandardsASTM, ASME, AWWA, API, NPS and other recognised codesPTS, DEP, BS, ASTM, NBS and others
Joints and fittingsConcentric reducer, cross tee, transition and specials moulded to orderLaminated and flanged joints; elbow, tee, cross, reducer and specials

CTE notes the case for composite over conventional materials: lighter, easier to install and maintain, chemical resistant, rust free and lower life-cycle cost — with no coating, inhibitor, cathodic protection or corrosion allowance required.

Grey thermoplastic pipe manifold with valves and a red flanged connection
Thermoplastic manifold with valves.
Outdoor pipe rack running between storage tanks
Outdoor pipe rack between tanks.
Large-bore GRP pipes with flanges stacked in a yard
Flanged GRP pipe in the yard.

Effluent and process water

Answered with the piping, tanks, vessels and skids of a water or wastewater treatment plant, in materials that survive the treatment chemicals.

The problem

Process water has to be made fit for purpose before use, and effluent has to be treated before discharge. Every treatment step introduces a chemical or agent, and the pipework between the stages is the first thing to corrode or degrade. The plant needs the treatment system's interconnecting piping, dosing lines, tanks and filter vessels specified for that chemistry.

What CTE builds

CTE describes water treatment as "a mandatory process to be adopted to remove contaminants in the water, or to reduce the concentration of such harmful elements so that the water is fit for the purpose" — and its own role as the piping contractor and fabricator for those systems: industrial piping for water, wastewater and chemical service, storage and reaction tanks, and installed treatment plant. Municipal water treatment plants are among the sectors it names.

  • ScopeIndustrial piping system for water, wastewater and chemical systems · storage tank and vessel · machinery and mechanical installation
  • Typical itemsDosing skids, filter-vessel banks, clarifier and treatment tanks, pump pipework (as seen in CTE's own site record; plant-by-plant scope owner to confirm)
  • Added scopeAutomation and instrumentation, added "to complement the existing scope of services"
Bank of filter vessels with overhead pipework in a treatment plant
Filter-vessel bank with overhead pipework.
Chemical dosing skid with yellow frame, pumps and valves
Chemical dosing skid.
Green rectangular wastewater treatment tanks outdoors
Wastewater treatment tanks.

Also in scope

Three further lines CTE lists among its business activities, and the sectors it says it has served.

Electro-plating and metal finishing machines

Plating lines and machines, with parts and components "with added capabilities, new diagnostics, reporting capabilities and more". Plating-line tanks and pipework appear throughout CTE's site record below.

Composite and thermoplastic specialty fabrication

Consultation, engineering and fabrication in four groups: artificial product, clean-room furniture, environmental engineering and industrial fabrication — material selected to suit the design.

CAD work and 3D modelling

Drawing and drafting for engineers who would rather spend their time on design input and red-pen review; offered to companies without an in-house CAD department, with confidentiality.

Machinery and mechanical installation

Listed by CTE as one of its eight business activities; scope per project on enquiry.

Solar panel manufacturingand wafer fabrication
Electronics and semiconductorand oil and gas
Automobile manufacturingand assembly facilities
Metal surface finishingPCB and FCB plants
Municipal water treatmentand other constructions

Sectors as listed on cte.com.my/catalog/industrial-piping-system. CTE does not publish client names; none are shown here.

Since 1991Established and incorporated in Malaysia to provide thermoplastic engineering works "to satisfy the more stringent requirement of the industries".

SIRIM quality system badges with Standards Malaysia, IQNet and UKAS marks, certified to ISO 9001:2015, certificate number QMS 02661

ISO 9001:2015, certificate no. QMS 02661 (SIRIM QAS; Standards Malaysia ACB QMS 01, IQNet, UKAS 0074). Scope and validity: owner to confirm.

CTE is "supported by a team of skilled work force, which possesses significant working experience in the industries". Handling large projects over the years, it says, "has enabled the company to understand and perform vigorous demands and high profile requirements", and it has since added automation and instrumentation to the fabrication it started with.

  • CompanyCity Thermoplastic Engineering Sdn. Bhd., 199901025377 (500277-K)
  • Established1991
  • HeadquartersLot 1, Jalan 7/3, Taman Perindustrian Selesa Jaya, 43300 Balakong, Selangor
  • Vietnam934 D4 Nguyen Thi Dinh Street, Catlai Industrial Zone, Thanh My Loi Ward, District 2, Ho Chi Minh City
  • SingaporeNo. 8 Ubi Road 2, #08-02 Zervex, Singapore 408538
  • Quality systemISO 9001:2015, SIRIM certificate QMS 02661
  • TeamSkilled workforce with industry experience (headcount and key people: owner to confirm)

From CTE's own site record

Photographs CTE has published of its installations. Captions describe what is visible; plant names, locations and dates are CTE's to add.

Blue-painted plating line tanks in a factory hall
Plating-line tanks.
FRP pipework with valves in front of a blue tank
FRP pipework on a treatment tank.
Electroplating line with filter vessels and overhead pipework
Electroplating line with filter vessels.
Rack of reverse-osmosis membrane housings with pipework
Membrane housing rack.
Top of a large FRP tank with yellow access railing
Tank top with access railing.
Three scrubber stacks and ducting on the roof of a blue factory
Scrubber stacks on a factory roof.
Large FRP stack under construction inside scaffolding
FRP stack in scaffold.
Blue rectangular treatment tank inside a plant
Treatment tank, indoor.

Send us the problem

Describe the process, the chemical or the discharge you have to deal with, and CTE's engineers will come back with the equipment and material it calls for. Drawings and site photographs help; a specification is not required.

  • Emailgeneral@cte.com.my
  • Telephone+603-8961 7446Also 8961 7448 · 8961 9330 · 8961 9331. Fax +603-8961 0318.
  • WhatsAppMessage on WhatsAppOwner to confirm: no WhatsApp number is published on cte.com.my.
  • HoursOwner to confirm — not published on cte.com.my.
HeadquartersLot 1, Jalan 7/3, Taman Perindustrian Selesa Jaya, 43300 Balakong, Selangor Darul Ehsan, Malaysia
Vietnam934 D4 Nguyen Thi Dinh Street, Catlai Industrial Zone, Thanh My Loi Ward, District 2, Ho Chi Minh City · +84-938 388 151
SingaporeNo. 8 Ubi Road 2, #08-02 Zervex, Singapore 408538 · +65-6245 7790
Attachments (drawings, photos) can be sent by email to general@cte.com.my.

Preview only — this form does not transmit anything. In the live build it delivers to general@cte.com.my.

Received. In the live build CTE would confirm receipt by email and reply with the engineer handling your enquiry.

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