About Us

about us

Company Profile

Hebei DIKAI Piping Products Co., Ltd., (CNG) was established in 2002 and covers area more than 100,000 square meters ,CNG is the pioneer of grooved fittings in China and has been the most professional manufacturer after 20 years of development, The foundry is equipped with 4 automatic casting lines, 40 sets of CNG machines, 4 painting lines ,2 half automatic assembling lines and one perfect test center, Which make sure the products quality are reliable and stable.


Company registered capital with 5 million USD, taotal investment over 80 million USD.


Owns 2 casting factories, one rubber milling facility and 2 assembling centers.


Over 500 employees, annual casting production capacity 100,000tons.


Company total floor space over 110,000m2, annual turnover exceeds 120 million USD.

Multiple Markets Served

DIKAI Piping Systems Solutions span many markets.Our piping system are found worldwide in multiple applications-from commercial comfort piping system;industrial process and utility piping;petrochemical and metallurgy industries;coal and mineral mining operations;water and wastewater plants and facilities.

DIKAI Piping Systems Solution covers fire-hydrant and sprinkler system.For all systems DIKAI offers unique solution for each individual practice and actual problem.

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Advanced Equipment

DIKAI has the most advanced production equipment.Including Inductotherm,Denmark import automatic casting line,domestic 416 automatic casting line,automatic Disa sand mixer,CNC processing center,automatic thread processing machine,SWESS Gema automatic spray line,automatic sealing machine and stereoscopic warehouse.These equipments increase the capacity of production,improve working efficiency&guaranteed the product quality.


CNG brand Grooved products are designed,manufactured managed strictly by ISO quality management system under Hebei Dikai Piping Products Co., Ltd.

ISO 9001:2000 Quality Management System certificated.

ISO 14001 Environmental Management System certificated.

OHSAS 18001 Occupational Health and Safety Assessment Series certificated.

 cULus(UL/cUL)listed and FM approved.

VdS and LPC approvals under process.

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Testing Equipments

Reliable quality assurance
DIKAI has own independent laboratory & completed testing equipment.They are rubber laboratory,metal laboratory,chemical laboratory,Comprehensive Laboratory,hydraulic testing laboratory,piping system laboratory,etc.Those labs and advanced equipment guaranteed for our products development,supplier evaluation,purchasing inspection,process inspection and final product inspection.

about us