Shanxi Jintai Hongye Casting & Forging & Machinery Co., Ltd. is committed to the production of gray iron, ductile iron and other products. It is one of the professional manufacturers of manhole covers and pipe products in China. It is located in Shanxi Province, a major industrial province in China, and has abundant pig iron, coke, steel and other industrial raw material resources. As a professional manufacturer and supplier, we have 25 years of casting experience and history, and always adhere to the principles of continuous innovation and creating value for customers to meet customers' demands for high quality and technological excellence in municipal road manhole covers, engineering parts, pipes and other Accessories requirements. After years of development, we have accumulated rich industry experience and built a professional, high-quality team. Focus on product design, quality control and customer service. We strictly follow the quality management system.

Jingdong Pipe Industry Co., Ltd is a large group company integrating mining, beneficiation, sintering, ironmaking, and casting. It has three smelting blast furnaces, ten centrifugal units, three annealing furnaces and five automated finishing lines. It mainly produces ductile iron pipes, flexible cast iron drainage pipes, ductile iron fittings, ductile iron manhole covers. The overall annual production capacity exceeds 500, 000 tons. The company's products have passed: Environmental Management System GB/T24001-2016/ISO14001: 2015; Occupational Health Management System ISO45001: 2018; Quality Management System GB/T19001-2016/ISO9001: 2015. And become the recommended product of China Water Supply and Drainage Association. Product implementation standard: GB/T13295-2109.

Established in 2012, Hangzhou Henggong Technology Co., Ltd is located in Dongou Industrial Area in Oubei Town of Yongjia County, the cradleland of "China Pump and Valve", which enjoys favorable geographical location and convenient transportation. Presently, our company is covering an area of 3000 square meters, and owns 10 senior engineers, 20 technicians and more than 150 staff. The company has strong technical capabilities and high-quality personnel teams.

Zhejiang NaiBang Valve Co., Ltd. is a specialized company devoted into manufacture and sales of valves, the company situates in ou-bei town-the center of China's pumps & valves, with ground area 18800m2, machine workshop, assemble workshop and synthetic finished half - finished warehouse. The company possesses 210 precise equipments, the advanced numeral control machines ensure the flexibility and exchangeability of all the product parts. The company flourishes year by year, and its products have been widely used in lines of domestic large PowerStation configuration, dirty water processing, urban construction, petroleum-chemical, oil extraction, metallurgy, chemical fertilizer, paper production and pharmacy, exported to many countries and regions, gains the users' unanimous praise and confidence.

Since 1989, Vatac Vango Valves Manufacturer China has dedicated itself to the manufacture and service of a wide range of industrial valves and fittings for the services of Oil, Gas, Refinery, Chemical, Marine, Power Station and Pipeline Industries.

Jilin Senfeng Pipe Company Limited of Panshi City in Jilin China is a professional manufacturer of ductile iron pipes, fittings, couplings & adpaptors and valves for water supply and drainage applications.Size from DN15 to DN3000 in compliance with ISO2531, BS EN 14525, BS EN545, BS EN598, and non-standard products as per requirements.The products are widely used in China and exported to the Middle East, North America, Africa and Southeast Asia with great success.