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Reliable Piping & Panel Solutions for Global Projects

HHS provides complete PVC, PP-R and ABS piping solutions and engineered wood panels for plumbing, irrigation, drainage, electrical conduit and industrial applications. Our products are manufactured to ASTM and international standards and supported by a professional service team dedicated to helping customers worldwide.

Start from your sourcing role

Plumbing and drainage distribution

PVC Schedule 40, Schedule 80, PVC DWV and ABS DWV families for repeat replenishment in plumbing wholesale and contractor channels.

Irrigation, pool and water treatment

Pressure fittings, plastic valves and PP-R selection for irrigation, pool and light commercial water treatment projects.

Building material sourcing

OSB and fibreboard specification checks, consolidated with fittings and valves into a single mixed-container list.

Building Water Supply & Drainage

Fittings for the full building loop — supply, hot & cold, drain-waste-vent

HengHaoSen supplies building piping as a system: PVC Schedule 40/80 pressure fittings cataloged to ASTM D2466/D2467, PVC DWV (ASTM D2665) and ABS DWV (ASTM D2661) for drain-waste-vent, and PP-R for hot & cold indoor lines in S3.2/PN20 and S2.5/PN25 classes with brass-insert valves. Over 2,100 part numbers across four catalog lines, with OEM branding and export packing available.

Pressure supplyDrain-waste-ventHot & cold waterValve pairing

Commonly specified products

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Agricultural Irrigation

From pump suction to field delivery — hose-led irrigation supply

For farms and irrigation distributors, HengHaoSen builds the line around PVC hose: helix suction hose at the pump, lay-flat hose for field delivery (fast to deploy, rolls flat when empty), fiber-reinforced and spray hose for pressurized spraying, garden hose for grounds. Sizes 1/8"–2" with ID, working and burst pressure specified per size. PVC Schedule 40 fittings and valves complete the manifold. Factory-made, custom roll lengths and OEM packing available.

Pump suctionField deliveryPressurized sprayingManifold fittings

Commonly specified products

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Industrial Fluid Handling

Schedule 80 fittings and industrial hose for plant-side fluid transfer

Pressure sections run on PVC Schedule 80 heavy-wall fittings (ASTM D2467 catalog, 311 part numbers) for water treatment, chemical transfer and equipment piping. On the plant floor: air hose for compressors and pneumatic tools (flexible PVC with polyester reinforcement), steel-wire hose for vacuum suction and discharge, twin welding hose, fuel hose and anti-kink lines. Fittings and hose consolidate into one shipment.

High-pressure fittingsAir hoseSuction & dischargeMaintenance & fuel

Commonly specified products

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Municipal Water & Sewer

Distribution fittings supplied, sewer fittings quoted per project

For municipal contractors and wholesalers, HengHaoSen supplies PVC Schedule 40/80 pressure fittings and plastic valves for distribution networks, shipped by container against US-standard catalogs; SDR35 sewer fittings are quoted against project spec lists. Full export documentation with staged delivery supported.

Distribution networksValvesSewer on quotationStaged delivery

Commonly specified products

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Residential Plumbing & Heating

PP-R hot & cold lines with valve fittings for residential channels

The residential line is built on PP-R: 654 part numbers across S3.2/PN20 and S2.5/PN25, green-body pipes with injection fittings, brass-insert series (ball valves, concealed valves, strainer ball valves), electrofusion fittings and fusion tools in the same catalog; shower and garden hose complete the retail range. Set-based ordering for building-material wholesalers, OEM and retail-box packing available.

Hot & cold linesBrass-insert valvesElectrofusion fittingsRetail hose

Commonly specified products

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Construction & Decorative Panels

OSB structural panels and fiberboard, direct from HengHaoSen's own lines

Panels ship direct from HengHaoSen's own production lines: OSB in OSB2/OSB3/OSB4 grades (EN 300 system), standard 1220×2440mm sheets, 6–40mm thickness, 630–860 kg/m³ density, formaldehyde-free MDI bonding at E1/NAF emission class; fiberboard and particle board cover furniture and decorative substrates. 10,000 m³ monthly supply, 1×40HQ MOQ, export pallet packing, shipped via Yantian.

OSB structural panelsFiberboard & particle boardFormaldehyde-free bondingFull-container supply

Commonly specified products

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Service & Support

Technical support, flexible shipping, OEM manufacturing and quality assurance — the services behind every solution.

OEM & custom manufacturing

Custom mould development, private labeling, customized packaging and tailored product specifications to help you build a competitive product line.

Technical support & guidance

Project specification guidance, installation recommendations, pressure-rating advice and material and standard compatibility checks for distributors, contractors and project managers.

Flexible shipping & delivery

Shipments from the Yantian, Nansha, Shunde and Guangzhou ports, LCL and FCL options, split or staged deliveries for project orders and full export documentation support; lead times are confirmed with each quotation.

Samples & quality assurance

Product samples, material certificates, testing reports and compliance documentation to support your evaluation; every shipment is checked against international standards.

Global customer support

Our international sales team offers fast communication, professional service and long-term partnership support for distributors, wholesalers, contractors and OEM partners, in English, Spanish, Portuguese and Chinese.