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Company profile

Focus on the development and application of forged steel system valves!!

It is our duty to provide reliable valves for special working conditions!

Jointly Develop

CLDG GROUP CO., LTD. will be as broad mind as the sea, the same lofty ambition as the day, adhering to the "integrity, focus, pragmatic, good practice" business philosophy, adhere to the "realistic quality" quality policy, with efficient and rapid response mechanism, to create a benchmark brand, and the majority of users work together to create a better tomorrow!

  • Intelligent factory
  • Stable quality
  • Automation equipment
  • Service experience

CLDG GROUP CO., LTD. is located in Longwan District, Wenzhou, Zhejiang Province. It is a key enterprise specializing in the production of various kinds of forged steel valves, power station valves, as well as the welding of concave and convex flanges and tube fittings. There are six workshops in the industrial zone, including precision forging, welding, heat treatment, mechanical processing and assembly. Complete equipment configuration, complete processing and testing means. The company established CAD valve design center, three-dimensional simulation manufacturing test design system.


The company mainly produces according to international ISO, American API, ANSI, British BS, German DIN, French NF, Japanese JIS, JPI, and Chinese GB and JB standards. Nominal diameter: 1/4"-8"(DN6-200); Nominal pressure level: 150Lb~4500Lb (0.1MPa~76.0MPa); Operating temperature: -196-1100°C; Production valve varieties: gate valve, globe valve, ball valve, check valve, bellows valve, low temperature valve, etc. The main materials of the valve are: carbon steel, alloy steel, stainless steel, ultra-low carbon stainless steel titanium, Monel, 20 alloy, etc., and can be smelted and manufactured according to customers' special requirements. Our company to professional planning and manufacturing, sophisticated process equipment, appearance and internal equal emphasis on quality concept. Customer first service awareness, to provide the majority of users with quality products, satisfactory service.


The purpose of the company: "survival by quality, development by efficiency" into the new century, with all walks of life hand in hand to create brilliant.

Corporate culture Respect talent scientific and technological innovation

People-oriented, and cooperative development, rigorous innovation, grateful self-improvement

  • Development Concept

    Will be realistic, high-quality, sincere, win-win, ushered in a brilliant return to society, dedicated to users

  • Value

    Customer's core appeal is our core appeal,

    Customer satisfaction is our greatest affirmation.

Production Management System

Automatic production line and MES manufacturing execution system, with an annual output of 100,000 sets of valves production capacity.


With hundreds of imported high-precision CNC machining centers and CNC lathes, has built automatic modeling, casting, special machine, assembly, painting, storage and other intelligent production lines.


Relying on the integrated application of automatic warehousing system combined with ERP-MES-QMS management system, storage space and labor costs are effectively saved