Our rich experience and expertise in the industry , On the basisof Gongyi Changmao Supplying and Draining of Water MaterialsComapny and Sino-SouthKorea Joint Venture Henan Changmao YuanyiValve Co.,Ltd , we specialize in the enquipment of supplyinganddraing of water materials.Focus our business in the water supplyindustry and work closer with our partners and customers fromaround the world !

Gongyi City one of "Top hundred county" located betweenZhengzhou and Luoyang, great convience of transportation depend onthe Longhai Railway, 310 National Highway, . Great Poet Dufu'shometown, good to sightseeing of Luoyang peony, to the South isworld known Kongfu birthplace Shaolin Temple, to the north is theYellow River. complete infrastructure, advanced telecommunications,transport facilities, in fact, outstanding and excelelent place toinvest.

Authorized by china petroleum and chemical corporation and thetop 500 enterprise in Henan.It has a certificate"the enterprisereaching the standard of total quaity control"issued by ChinaAgriculture Department.It has passed the certification of ISO 9001:2008 international system of quality control.

Products reach nearly one hundred series, thousands ofspecifications, including five series of patent products. They areflexible rubber joints, reduced rubber joints, rubber elbows, fancoil joint, sewage check valve rubber, rubber filter, rubbercompensator air flue compensator, flexible hanger, rubber shockpad, shock absorber, pipe damper, seal, gate valve,check valve,foot valve, filters, valves, pressure balance valve, valve,butterfly valve, pipe expansion joints, bellows, waterproof sleevetube, power delivery Joint, limit expansion joints etc.

Registered trademark "Changmao" brand, selling productsthroughout 31 provinces, municipalities and autonomous regions, wasused in many key prestigious projects, and exported to the U.S.,Germany, Italy, Japan, Korea, Egypt, Spain, Vietnam and othercountries, enjoying high popularity .

We do believe there will be promising fruitful cooperationbetween us ! Meanwhile ,to launch different kinds of economic andtechnology cooperation to advance improvement!

Flexible Rubber Joint consist of fabric reinforced and matalflange loose joint,used on shock decrease, compensate fordisplacement.KDF means flanging high pressure rubber joint ,JGDdual ball rubber joint,JGD-B threaded dual ball joint,which havefunctioin as high flexiblity,resistance to media and climate , alsocalled rubber joint , shock absorber, pipe shock aborber , but allmean high pressure flexible rubber joint.
Introduction of foreign advanced production technology, rubberinner layer of the main subject in the high-pressure formingprocess, nylon cord combine glue better than the other commonflexible rubber joint on the marketplace,working pressure goeshigher ,the quality become better . The process is characterized bymix within the natural one layer, smooth seamless , labels usedvulcanization process mix with the product, the product hasobtained national patent .
[Character]With high pressure, good elasticity, displacementvolume, balance pipe error, absorb vibration, reduce noise,effective, and easy to install.
[Application]Can be used in water and wastewater, recycled water,fire fighting, paper, pharmaceutical, petrochemical, shipping,pumps, compressors, fans and other piping systems, use of unitssuch as power plants, water plants, mills, water companies,engineering and construction.
[Media] : Common type used to transport -15-- 115 centigrade air,compressed air, water, sea water, oil, acid and alkali. Specialtype used to transport -30--250 centigrade over the medium or oil,strong alkali acid concentration, solid-state materials.
[Recommendation]Good value and Cost are key indicator when pruchaseproducts ,sino south korea joint venture obviously introduce uradvanced and leading technology and science , start produce in 1988, approved by ISO 9001:2000, products are used on keyp projects ,and self decided export to South Korea,USA,SPAIN,ITALY,UAE,BRAZILetc.strictly material pruchase ,serious inspection,strong salesnetwork ,cost effective offer lead us large marketshare ,meanhwhile well secure your construction project .We warmly welcomeyour esteemed company visit us and guide work any time ! Yes, wecan do it for you!

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