Power United (Dongguang) Machinery & Accessories Co., Ltd — Supplier
About Power United (Dongguang) Machinery & Accessories Co., Ltd - Electric Circuit Components & Accessories Supplier in China
Power United (Dongguang) Machinery & Accessories Co., Ltd is based in China and currently lists five distinct products in its catalogue. The catalogue includes plastic flexible hose, UL‑certified corrugated flexible hose conduit, corrugated plastic hose, polyamide tubing, and a generic flexible conduit. All items are classified under the HS‑code chapter 39 for plastic tubes and hoses, with common sub‑headings such as 3917 for flexible hoses and 3918 for tubes. The supplier is recorded as an imported tier with a harbor trust tier, indicating it operates through standard Chinese export channels. The product set bridges the “Electric Circuit Components & Accessories” and “Agriculture” categories noted in its top‑category list. No additional product families are listed beyond these five items.
In industry practice, plastic flexible hoses are offered in inner diameters from 6 mm to 50 mm, pressure ratings from 0.5 MPa to 1.5 MPa, and temperature ranges from - 30 °C to +80 °C. UL‑certified corrugated conduits normally meet UL 1666 and IEC 60332 standards for flame resistance and mechanical durability. Polyamide (nylon) tubing is frequently supplied with tensile strength above 70 MPa and moisture absorption below 1.5 %. Corrugated plastic hoses commonly use high‑density polyethylene (HDPE) with a typical wall thickness of 1 - 3 mm and are suitable for irrigation or low‑pressure fluid transport. Buyers often request dimensional drawings, material safety data sheets, and compliance test reports before confirming orders. These specifications align with the product types listed by the supplier.
Product Range and Specialties of Power United (Dongguang) Machinery & Accessories Co., Ltd
The supplier’s catalogue comprises five items: plastic flexible hose, UL‑corrugated flexible hose conduit, corrugated plastic hose, polyamide tubing, and a flexible conduit. Each product falls under the broader groups of plastic tubing and flexible conduit, which are standard components for both electrical protection and fluid conveyance in agricultural settings. The HS‑code families most frequently applied are 3917 (flexible hoses) and 3918 (plastic tubes).
Typical market offerings for these categories include PVC or PE jackets for hoses, DIN 862 for conduit dimensions, and ISO 9001‑based quality management for manufacturing. Plastic flexible hoses are usually graded by pressure class (PN10‑PN16) and colour‑coded for water or oil service. UL‑corrugated conduits are tested for flame spread (UL 1666) and mechanical impact (IEC 60245). Polyamide tubing often meets ASTM D2256 for tensile properties and is supplied in lengths of 10 m to 100 m per reel. Corrugated plastic hoses are commonly supplied with UV‑stabilised HDPE to meet outdoor irrigation standards such as ISO 16474.
Trade and Export Information - Power United (Dongguang) Machinery & Accessories Co., Ltd
China is a leading exporter of plastic tubing and flexible conduit, with the majority of shipments destined for Southeast Asia, the Middle East, and Europe. HS‑code 3917 items are routinely inspected under China’s General Administration of Customs (GACC) procedures, and buyers frequently require a Certificate of Origin and a third‑party conformity test (e.g., SGS or Intertek) before customs clearance. Typical certifications requested for these products include UL, CE marking, and compliance with REACH for chemical safety. Export logistics commonly involve 20‑foot or 40‑foot containers, with inner packaging of cardboard boxes or shrink‑wrapped bundles, and Incoterms such as FOB Shanghai or CIF Hong Kong are standard. Buyers of flexible hoses and conduits generally come from construction, electrical installation, agricultural irrigation, and automotive supply chains. They look for products that meet IEC 60332‑1‑2 (flame‑retardant conduit) or ISO 4427 (plastic pipe for water). Chinese manufacturers often hold ISO 9001 and may provide test reports for pressure, temperature, and dimensional tolerance upon request.
Sourcing from Power United (Dongguang) Machinery & Accessories Co., Ltd - Buyer Guidance
When sourcing from this supplier, buyers should request the product’s technical data sheet that details inner/outer diameter, wall thickness, material composition (PVC, PE, or PA), pressure rating (in MPa), and temperature range. Samples of each hose type are advisable to verify flexibility, kink resistance, and compliance with UL or IEC standards. Buyers should also ask for a recent factory audit report or ISO 9001 certification, as well as a Declaration of Conformity for the specific HS‑code (3917 or 3918) to ensure regulatory alignment. Prior to finalizing an order, verify the packaging plan - typically 1 m or 10 m reels packed in cardboard and sealed with stretch film - and confirm the container size (20 ft or 40 ft) to match the shipment volume. Request a pre‑shipment inspection report that includes dimensional checks, pressure test results, and visual inspection for surface defects. These documents help mitigate risk and confirm that the supplied flexible hoses and tubing meet the buyer’s specification sheets.
Frequently Asked Questions About Power United (Dongguang) Machinery & Accessories Co., Ltd
What product categories does Power United (Dongguang) Machinery & Accessories Co., Ltd list?
The catalogue lists plastic flexible hose, UL‑corrugated flexible hose conduit, corrugated plastic hose, polyamide tubing, and a generic flexible conduit, all falling under plastic tubing and conduit categories.
Which HS codes are applicable to the listed products?
The products are generally classified under HS chapter 39, with sub‑headings 3917 for flexible hoses and 3918 for plastic tubes and conduits.
What typical pressure ratings should a buyer expect for the plastic flexible hoses?
Industry practice provides pressure ratings between 0.5 MPa and 1.5 MPa for the hose sizes commonly offered (6 mm - 50 mm inner diameter).
Are UL or IEC certifications available for the corrugated conduit?
The UL‑corrugated conduit is designed to meet UL 1666 and IEC 60332 standards; buyers should request the specific test report to confirm compliance.
What minimum order quantity (MOQ) is common for polyamide tubing?
Suppliers of polyamide tubing often set an MOQ of one reel, typically 10 m to 100 m in length, depending on diameter and wall thickness.
What packaging format is used for the corrugated plastic hose?
Corrugated plastic hoses are usually packed in cardboard boxes or shrink‑wrapped bundles, suitable for loading into 20‑foot or 40‑foot containers.
Which certifications should a buyer request before purchasing?
Buyers should request material safety data sheets, ISO 9001 audit reports, UL or CE conformity certificates, and a Declaration of Conformity for the relevant HS code.
What Incoterms are typically used for shipments from China?
Common Incoterms for these products include FOB Shanghai, FOB Tianjin, or CIF Hong Kong, depending on the buyer’s logistics preferences.





