
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 featuring exquisite craftsmanship and reliable quality. Our client base mainly covers municipal authorities, real estate developers, construction enterprises, landscape architecture companies and more. Our products are widely applied in numerous sectors including water supply, power supply, gas supply, telecommunications, expressway construction and other infrastructure fields. The company has been awarded multiple authoritative certifications and honors such as AAA Credit Enterprise, ISO9001 Quality Management System Certification and CE Certification. Adhering to the service tenet of Customer First, Reputation Foremost, we serve all sectors of society wholeheartedly. We are committed to building a world-class brand for manhole covers. Choose us for professionalism; Choose us for complete peace of mind!