Professional,Smart-tech Makes

Company Profile

Kamailong Holdings Group Co., Ltd., founded in 2012, is a professional valve manufacturing enterprise that integrates research and development, production, sales, and after-sales service. The headquarters of the enterprise is located in Jiaxing, Zhejiang, with two major production bases in Jiaxing and Wenzhou, covering a total area of 53000 square meters. With the advantages of the industrial cluster in the environment, the strong brand awareness of the enterprise itself, and the pursuit of technological innovation, it has rapidly developed into an expert enterprise in the field of ball valves and butterfly valves since its establishment in 2012.

Product line:

The main products cover cast and forged steel ball,butterfly,gate,globe,check,ceramic valve,bellows seal valve,plug valve,strainers etc.The size ranges is from 1/2'' to 64''.The pressure rating is from Class150 to Class4500.The main material has carbon steel,stainless steel,duplex stainless steel,alloy steel,monel,Inconel,hastelloy etc.The main standard is API,ANSI,BS,DIN,AWWA,GOST,JIS etc.The valves across all major industrial applications such as district heating,oil &gas,refining&petrochemical,power,mining,pulp&paper,nuclear power,LNG&cryogenics,marine industries etc.

Production capabilities&Equipments:

Our facilities are equiped with various precision machining and testing equipment,such as machining center,the physical and chemical test center,CNC,Welding cold treatment equipment,assemble pressure regultating equipment,robot automatic welding machine,plasma spray welding machine,large ball polishing machine,large mounting equipment,hydraulic equipment,the physical and chemical testing equipment,non-destructive testing equipment,automatic pressure and torque testing equipment,automatic paint drying production line.The production capacity can reach to 20,000 tons(year).


Our quality control is from raw material to the final inspection.The valves get ISO9001,CE,API6D,API607 approvals.We have strictly in-house quality control and a fully traceable system.


In 2018,the sales turnover reach to 1.2 billion RMB, more than 50% valves has been exported to overseas to Russia, Middle east,Southeast Asia,Europe,America and so on.

Professional production,modernized management,rigorous style,extensive application experience,innovative production technology and elite group,all those guaranteed Kamailong to adapt to the complicated,diversified,harsh environmental area.Meanwhile,ensured Kamailong provide systematic solutions for stage from high-quality production to professional after-sales service.To maximize benefits of clients is the goal of Kamailong has been pursuing.