Yantai Jinjiang Building Materials Co., Ltd. has long specialized in the R&D and manufacturing of ductile iron. We produce a full range of ductile iron manhole covers, drainage gratings, trench covers and other related products with exquisite craftsmanship and reliable quality.

Our client base mainly includes municipal authorities, real estate developers, construction enterprises, landscape architecture companies and more. Our products are widely used in various sectors such as water supply, power supply, gas supply, telecommunications, expressway construction and other infrastructure fields.

The company has obtained multiple authoritative certifications and honors, including AAA Credit Enterprise certification, ISO9001 Quality Management System Certification and CE Certification. Adhering to the service tenet of "Customer First, Reputation Foremost", we wholeheartedly serve clients from all walks of life. We are committed to building a world-class brand for manhole covers. Choose us for professionalism; choose us for complete peace of mind!