Company Profile :
Henan Changmao Yuanyi Valve Co.,ltd. is sino south korea joint venture established in Mar 2000 ,expert on water supply and water discharge enquipment , main produces are flexible rubber joint,expansion joint,power delivery joint,pipe compensation joint,ss compensator,soft joint,steel compensator,expansion joint,expansion bellows,water proof slleeve tube,rubber back valve,duch mouth valve,shock absorber,falnge sealing gasket etc,approved ISO 9001:2000 internation quality system ,high technology enterprise "changmao"brand win national famous brand.

we will join in 107TH canton trade fair on APR 15TH 2010
we will join in 106th canton trade fair
Took part in 105th canton trade fair
Took part in 104 canton trade fair
Delivery Area & Exporting goods ready to launch
Vulcanization Area
Russian delegation to visit our company
ITALIAN clients visit our company
Israeli customers visit us to share the latest rubber joint production technology
Well known ShaoLin Temple of Kongfu Birth place welcome you
2002, Seoul Korea and Zhengzhou China became sister cities
General Manager Mr Changyu (back row right fifth)visited South Korea with delegation
SPAIN GENE visited us
SPAIN GENE colleagues guide work (2005)
SPAIN GENE visited us and guide work at site(1999)
Establishment Ceremony of Sion South Korea Joint Venture Henan Changmao Yuanyi Valve Co.,Ltd in 2000
South Korea colleagues visited us (1999)
Director Mr YuanHaofeng talking with General Manager Mr Changyu
SPAIN Trade company visited our company
General Manager Mr Changyu accompany Director Mr YuanHao feng sighseeing tour to ShaoLin Temple
General Manager Mr Changyu visited ROK Yuanyi Industry