Import Flanges — Buy in Bulk from Supplier in China

Flanges from Shijiazhuang Bang Dong Pipe Trading Co., Ltd. are precision-engineered components designed for secure, leak-resistant connections in high-pressure piping systems. These flanges are available in stainless steel, carbon steel, and alloy materials, with standard dimensions conforming to ASME B16.5 Class 150 to Class 2500 pressure ratings. The manufacturing process ensures tight dimensional tolerances, typically within ±0.1 mm for bolt hole spacing and face flatness, to reduce installation errors and ensure compatibility with standard piping components.

The material selection aligns with common industrial requirements: 304 and 316 stainless steel for corrosion resistance in chemical and marine environments, A105 carbon steel for general-purpose high-temperature applications, and alloy steel such as A182 F22 for sour service conditions. Surface finish is typically Ra 3.2 µm unless otherwise specified, and all flanges are machined to standard raised face or ring joint profiles. These are not generic imports but components built to meet documented international specifications, with material certifications available upon request.

These flanges are primarily purchased by contractors in oil and gas, water treatment, and petrochemical plants across Southeast Asia and the Middle East. Buyers typically require batch traceability, material test reports, and pressure testing documentation. Trade terms are negotiable but commonly include FOB Qingdao or CIF destination port, with minimum order quantities starting at 10 pieces per size and type. Packaging is in wooden crates with moisture barriers for ocean freight, and lead times are generally 25 to 40 days after order confirmation.

Shijiazhuang Bang Dong Pipe Trading Co., Ltd. is a trading company based in Yuhua District, Shijiazhuang, China, focused on the export of piping components including flanges, fittings, and valves. The company is listed as an imported supplier with harbor trust tier, indicating verified export activity but no public information on manufacturing capacity or direct production facilities. The listing does not claim ownership of a factory, nor does it provide details on workforce size, revenue, or client names.

The company operates as an intermediary, sourcing products from third-party manufacturers in Hebei Province and coordinating export logistics. Its profile shows no response rate or average response time, suggesting limited buyer communication capability. Buyers should confirm material sourcing, testing protocols, and packaging details directly with the supplier before placing orders, as no certifications or production records are publicly disclosed in this listing.