CO.LTD. was founded in 2010. It is a modern group company integrating with own R&D, high-class manufacturing, and marketing services. Its headquarter is located in the Beijing Economic and Technological Development Zone within convenience transportation. The group has production bases in Beijing, Hebei, Anhui and etc,within RMB 105.6 million registered capital. 

The company has more than 20 senior engineers and technicians , using CAD and CAM to develop design and manufacturing systems andapplying software such as Pro/E and SolidWorks for products modeling and finite element analysis to guaranty the products design and development. After years of innovation and development, the company has became an intelligent equipment manufacturing enterprise with strong design, development, research and production in both China and abroad .

The company has advanced NCPC, CNC machine tools, metal processing , lathe and milling equipment; automatic submerged arc,gas shield and other welding equipment ; heat treatment equipment; and strong test capability and advanced mechanical and chemical testers,  NDT test instruments such as spectrum analyzers, hardness testers, Ultrasonic thickness gauge, ultrasonic flaw detector, etc and advanced comprehensive valve performance testers, torque, and life span testers. 

The company is dedicated on intelligent equipment, energy conservation and environmental protection, and provides services such as energy-saving solution design, energy-saving products manufacturing, projects energy-saving renew, and technical maintenance for intelligent industrial systems, intelligent heating networks, and intelligent water networks. Meanwhile, we have closed cooperation with Harbin Institute of Technology to provide  intelligent heating network management center platform, heating network monitoring, heat sourcecontrol system, heat exchange station unattended control and etc. For collective heat supply, we provide integrated solution for energy saving from the heat source, heat network, distribution station, until the end users.  

We are professional on the manufacturing of large-diameter and high-pressure ball valves(split body and fully welded) for  long-distance oil and gas pipeline and  heating network pipeline, orbital ball valves, high-performance metal sealing butterfly valves, plug valves, flat gate valvesand other products . Valve products can be produced in accordance with standards as ASME, ANSI, API, GB, DIN, BS and are widely used in petroleum and natural gas pipelines,  oil refinery , chemical industry, power plants, heating network, water treatment and many other fields. Our products have won the trust from domestic and foreign customers through excellent quality and service ,  and have been exported to Mexico, Italy, the USA, Chile, Venezuela, Spain and other countries. 

In order to better adapt to the market economy and completely utilize the advantages of our company, We continuously introduce foreign technology, absorb advanced management experience, high class human resource , and present high quality products and thoughtful service to our customers . As a manufacturer and innovator of high-class equipment, it is our responsibility to provide high-quality intelligent equipment products to the market; creating value for our customers is our way to survival and development. 

We warmly welcome every new and old customer visits and instructs our company and look forward to build a win-win cooperation with you.