Import Drain — Buy in Bulk from Supplier in China

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DRAIN by Richang Qiaoshan Trade Co., Ltd.
Harbor
DRAIN - Image 1

DRAIN

🕐最近更新:Jul 21, 2026
Contact/ Unit
最小起订量: 1 Unit
📁类目Manholes, Manhole Covers & Drains
💳付款方式T/T · L/C · D/P
EximNext 支持担保交易支付
自由选择付款方式 — T/T、L/C,或选择担保交易获得全额保障。您的交易,您做主。
Buy & Import DRAIN from Richang Qiaoshan Trade Co., Ltd. - Wholesale Supply

Cast iron floor and roof drains from Richang Qiaoshan Trade Co., Ltd. are manufactured in China using gray iron alloy conforming to ASTM A48 Class 30 standards. The product range includes nominal diameters from 50 mm to 250 mm, with wall thicknesses calibrated for structural integrity under heavy load. Each unit is cast in a sand mold and finished with a protective pitch paint coating to resist corrosion in wet environments.

The drains are available with three outlet types: no hub, inside gasket, and threaded. These options accommodate different pipe connection methods used in commercial and industrial plumbing. The pitch paint finish is applied after casting and cured at controlled temperatures to ensure adhesion. Internal surfaces are machined for smooth flow, minimizing debris buildup. The material composition includes 3.0% to 3.5% carbon and 1.8% to 2.2% silicon, typical for structural cast iron in drainage applications.

These drains are used in commercial construction, industrial facilities, and municipal infrastructure where durability under constant water exposure is critical. Buyers include contractors, plumbing wholesalers, and civil engineering firms. Standard packaging is bundled in wooden crates with foam padding. Trade terms include FOB Shanghai, payment via T/T or L/C, and minimum order quantities start at 200 units per size.

Technical Specifications for Richang Qiaoshan Trade Co., Ltd. DRAIN
MaterialGray cast iron, ASTM A48 Class 30
Nominal Diameter Range50 mm to 250 mm (2" to 10")
Wall Thickness8 mm to 15 mm, depending on diameter
Outlet TypesNo hub, inside gasket, threaded
FinishProtective pitch paint, cured at 120°C minimum
Carbon Content3.0% to 3.5% (typical for ASTM A48 Class 30)
Silicon Content1.8% to 2.2% (standard for structural cast iron)
Tensile Strength207 MPa minimum (standard for ASTM A48 Class 30)
Typical Weight per Unit1.8 kg to 18.5 kg, depending on size and wall thickness (typical range)
Internal Surface RoughnessRa ≤ 12.5 µm after machining (standard for drainage efficiency)
About Richang Qiaoshan Trade Co., Ltd. - Cast Iron Drain Supplier in China
Richang Qiaoshan Trade Co., Ltd.
Richang Qiaoshan Trade Co., Ltd.
China🚢 Voyage
4.5(41)

Richang Qiaoshan Trade Co., Ltd. is a trading company based in Chaoyang, Beijing, with a registered address at 4-3-103, Xinyuanxilizhongjie. The listing does not disclose manufacturing facilities, production capacity, or workforce size. The supplier operates as an export intermediary, sourcing cast iron drainage products from third-party foundries in northern China.

The trust tier 'voyage' indicates verified export history through logistics partners, but no direct production claims are made. The supplier does not state certifications, years in operation, or client names. Response metrics are unavailable, suggesting limited digital responsiveness but no indication of operational instability.

企业类型Supplier
成立年份Contact Supplier
EmployeesContact Supplier
Annual RevenueContact Supplier
Main ProductsView Products Tab
Major MarketsGlobal
响应时间<4h
响应率Contact Supplier
Frequently Asked Questions About DRAIN from Richang Qiaoshan Trade Co., Ltd.
For a 150 mm diameter drain, wall thickness ranges from 10 mm to 12 mm to maintain structural integrity under load. Buyers should request a dimensional inspection report per ASTM A48 for each batch, as wall thickness affects load-bearing capacity.

Sourcing DRAIN from Richang Qiaoshan Trade Co., Ltd. - China Import Guide

Before ordering, confirm the cast iron grade meets ASTM A48 Class 30 and request a material test report. Verify outlet type and dimensions match your pipe system. Inspect the pitch paint finish for uniformity and adhesion on samples. Do not accept drains with visible cracks, porosity, or uneven coating. Request a batch-specific inspection certificate.

Logistics are typically FOB Shanghai port. Lead time is 30 to 45 days after order confirmation, depending on foundry schedule. Payment terms are commonly 30% advance, 70% against shipping documents. Packaging is wooden crates with internal foam. Incoterms must be clearly defined to avoid port handling disputes. Custom sizes require 60-day lead time and tooling fees.

Upon arrival, inspect for shipping damage and verify quantity against packing list. Use a magnetic thickness gauge to check paint coating thickness. Test drainage flow with water to confirm internal smoothness. Retain samples for 90 days. Request a Certificate of Conformity and origin declaration. Ensure all documentation includes the ASTM standard reference and batch traceability code.

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Richang Qiaoshan Trade Co., Ltd.
Richang Qiaoshan Trade Co., Ltd.
China
🚢 Voyage
<4h
响应时间
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响应率
74/100
信用评分
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产品数量
4.5(41)
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Buy & Import Drain — Wholesale Supply from China

Securing a reliable supply chain for Drain is critical for maintaining your business operations. Richang Qiaoshan Trade Co., Ltd., a verified supplier located in China, provides high-quality Drain ready for international export. By connecting directly with this supplier, buyers can bypass intermediaries, negotiate custom wholesale pricing, and arrange bulk shipments. This product is a key offering within the Manholes, Manhole Covers & Drains industry, catering to distributors, wholesalers, and importers worldwide.

Request Wholesale Pricing & Bulk Trade Terms

Navigating the complexities of global sourcing is easier when you have direct access to the right manufacturers and exporters. When importing Drain from China, buyers can discuss shipping logistics, packaging requirements, and preferred payment terms directly with Richang Qiaoshan Trade Co., Ltd.. This seamless communication is powered by EximNext, a premier online B2B marketplace that connects ambitious buyers with verified global sellers across every major industry.

About Richang Qiaoshan Trade Co., Ltd. — Verified Supplier in China

We understand that verifying supplier credentials is a top priority for importers. Richang Qiaoshan Trade Co., Ltd. is part of our extensive network of vetted international exporters. Browse more products in the Manholes, Manhole Covers & Drains category or discover new suppliers across the Manholes, Manhole Covers & Drains sector. Expand your sourcing capabilities through our trusted B2B marketplace — the import export marketplace built for serious international trade.

International Shipping & Import Guidelines for Drain

When importing Drain from China, buyers should consider shipping terms (FOB, CIF, EXW), customs documentation requirements, and payment security. Contact the supplier to discuss the best logistics options for your destination country.

Frequently Asked Questions About Drain

How can I get the wholesale price for Drain?

Click the "Request Quotation" button to contact Richang Qiaoshan Trade Co., Ltd. directly. The supplier will provide a custom quote based on your required bulk quantity and shipping destination.

Can I buy Drain in bulk from China?

Yes, Richang Qiaoshan Trade Co., Ltd. provides Drain for bulk export from China. You can negotiate the MOQ, packaging details, and shipping terms directly with the supplier.

What shipping terms are available for this product?

Shipping terms such as FOB, CIF, or EXW can be negotiated directly with Richang Qiaoshan Trade Co., Ltd.. Contact the supplier to discuss the best logistics options for importing Drain to your country.

How do I request a sample of Drain?

Send a direct message to Richang Qiaoshan Trade Co., Ltd. through our platform to request a product sample before committing to a large wholesale order.

Is it safe to source products from this supplier?

Richang Qiaoshan Trade Co., Ltd. is a registered and verified supplier on EximNext. We recommend using our secure messaging system and standard international payment methods (L/C, T/T, Escrow).

What specifications should I ask for when importing Drain?

Request a detailed product data sheet including grade, purity, dimensions, material composition, and applicable industry standards from Richang Qiaoshan Trade Co., Ltd..

Does Richang Qiaoshan Trade Co., Ltd. offer custom packaging or private labeling?

Many suppliers on EximNext, including Richang Qiaoshan Trade Co., Ltd., offer custom packaging and private label options for bulk wholesale orders.

What payment methods are accepted for international orders?

Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services.

Can I find more Manholes, Manhole Covers & Drains suppliers on EximNext?

Yes, EximNext hosts a wide network of verified Manholes, Manhole Covers & Drains manufacturers, exporters, and wholesalers across 200+ countries.

How do I contact Richang Qiaoshan Trade Co., Ltd. for a bulk trade inquiry?

Click "Request Quotation" or "Contact Supplier" on this page. Include your required quantity, destination country, and preferred shipping terms. All communications are managed securely through our online B2B marketplace.

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