Sichuan Wenquan Metal Products Co., Ltd., commonly known in the industry as Wenquan Foundry, formerly Chongzhou Guansheng Wenquan Foundry, was founded in 1993. Located in Lianyi Village, Guansheng Town, Chongzhou City, Chengdu, with a registered capital of RMB 20 million, it is a source‑based physical manufacturer in Southwest China specializing in the R&D, casting, processing and sales of ductile iron products. The enterprise holds National High‑Tech Enterprise qualification, ISO9001 Quality Management System Certification and Class‑A Tax Credit Enterprise status.

Covering a plant area of over 12,580 square meters, the company is equipped with standardized casting production lines and professional testing equipment, supported by experienced technical engineers and skilled production teams with long‑term engagement in the foundry industry. Focusing on the production of municipal supporting metal components, our core products include national‑standard QT500‑7 anti‑settling five‑prevention ductile iron manhole covers, round / square ductile iron manhole covers, drainage gratings, manhole frames, drainage channel covers, as well as 201/304 stainless steel invisible manhole covers. Custom processing for manhole‑cover texts and LOGOs is available.

Our product load ratings cover the full range of B125, C250 and D400. Products are widely applied in municipal roads, residential communities, industrial parks, landscape greening, sewage treatment, electric power & telecommunications and other engineering projects. We implement strict control over raw materials and ex‑factory inspection. Product qualification certificates and material test reports can be provided, and VAT invoices for corporate accounts are available.

Leveraging the geographical advantages of Chongzhou, the company has deep‑rooted business across Chengdu and Western Sichuan. Sufficient spot inventory is maintained, and both small‑batch and large‑volume orders are accepted with efficient local delivery. Customers from all sectors are warmly welcome to visit our factory for on‑site inspections. Adhering to the philosophy of "Quality First, Integrity‑Based Operation", we provide stable and reliable one‑stop supply services of municipal metal products for engineering clients nationwide.

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