Yinrong Group has three large-scale factories in china,Foshan Factory in Guangdong, Wuxi Factory in Jiangsu, and Zibo Factory in Shandong. The main products are metal manhole covers, linear drainage ditch covers, resin drainage ditches, stainless steel rainwater grates,stainless steel grilles ,steel grating and metal pillars . The business scope covers 233 countries and regions around the world, and we strive to meet the various needs of different customers. Integrity-based. Every time we cooperate, we provide our products with a sincere attitude and high-quality service. We are equipped with advanced testing instruments and equipment to develop new products according to market conditions and can process and develop products according to customer requirements. Our strong R&D strength makes us innovate every day. This is a model unit that abides by contracts and keeps promises ; once the contract is signed, all employees of the company will go all out to produce products that satisfy you with quality and quantity.