About Us

About Us

DEYE Piping Industry

DEYE piping Industry is an group company integrated with R & D, manufacturing and Marketing in Valve Industry, we are focus on finding solutions for Piping industrial needs and providing professional service for both general valves and customized valves& valves accessories, piping components includes counter flanges, gaskets, bolts and nuts.

Business Scope?

Deye Piping industry establish two workshops for Valves production. DEYE valve (Wenzhou) focus on API valves for Oil &gas, Petrochemical and Sea Water.
DEYE Valve (Hebei) Focus on valves for water treatment and plumbing use. Valve for Drinking Water are With WRAS approved Certificate.

We also cooperate with hundreds of valves manufactures and suppliersfor different valves types, valves parts, casting and forging pieces. With a team which have 12 years purchase experience & 3 project engineers & 6 quality control inspectors. DEYE is professional and resourceful enough to find the right valves for you.

Now our valves supply scope include below
API 6D/API600 valves: Gate Valves check valves, Globe valves, Plug valves, ball valves.
API609 High Performance butterfly valves. Triple offset butterfly valves, Eccentric Butterfly valves.
API594 Check Valves.
BS1868 Swing check valves
API602 Forged valves with high pressure up to 4500LBS.
BS5163 & BS6364 Rising & Non Rising gate valves for water.
DIN3352 F4/F5/F7 DIN3202 Cast iron/steel water valves.
AWWAC504/C500/AWWAC519/C515 Water valves.
Flanges, gaskets, bolts & Nuts.
Seamless/welded pipes.

A Single-Source solution
Our customers have a complete choice of trim and body materials, bypasses and connectors including: lift indicators, pneumatic and electric actuators, bevel gearings, chain wheels, extension stems, levers and adaptors.

Cast Valve pressure range from 150# thru 1500# and temperature ratings as low as
-200°C. Our technicians can also customize a configuration to fit your needs. CAD & PDF Drawings support at any requirement.

Our Mission
To service and supply excellent products to meet our customers’ needs.
Technical assistance to support customer’s project.

To be cost effective through Total Quality performance and provide the resources required to support our commitment to improve our products, processes and customer services.


● Products are manufactured and tested in strict accordance to ASTM, ASME, API and other industry codes and specifications as applicable.
● Material Certifications are available upon request to the applicable ASTM/ASME material specifications for all DEYE supplied valves’ bodies and bonnets and trims.
● Modern machining equipment plus rigid inspection procedures of all parts assures dimensional accuracy of every part.
● Quality Assurance procedures include, 100% hydrostatic and pneumatic testing of all valves in full conformance to applicable API standards and industry codes.
● Chemical and mechanical properties of cast steel valve are fully traceable to the original casting heat lot.

DEYE Valve adhered to the quality as priority, has powerful technical development capability, the first-class processing and testing equipment, continuous optimized management system to ensure the performance and quality of DEYE valve.

Leading with its core idea of concentration & professionalism, DEYE will serve all its new and regular customers more attentively and professionally with more excellent products