A).ISO9001:2008 & CE approved . B).30 years sales experience C).Size diversity(DN32-3600mm)

Our rich experience and expertise in the industry , On the basis of Gongyi Changmao Supplying and Draining of Water Materials Comapny and Sino-SouthKorea Joint Venture Henan Changmao Yuanyi Valve Co.,Ltd , we specialize in the enquipment of supplyingand draing of water materials.Focus our business in the water supply industry and work closer with our partners and customers from around the world !

Gongyi City one of "Top hundred county" located between Zhengzhou and Luoyang, great convience of transportation depend on the Longhai Railway, 310 National Highway, . Great Poet Dufu's hometown, good to sightseeing of Luoyang peony, to the South is world known Kongfu birthplace Shaolin Temple, to the north is the Yellow River. complete infrastructure, advanced telecommunications, transport facilities, in fact, outstanding and excelelent place to invest.

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

Products reach nearly one hundred series, thousands of specifications, including five series of patent products. They are flexible rubber joints, reduced rubber joints, rubber elbows, fan coil joint, sewage check valve rubber, rubber filter, rubber compensator air flue compensator, flexible hanger, rubber shock pad, shock absorber, pipe damper, seal, gate valve,check valve, foot valve, filters, valves, pressure balance valve, valve, butterfly valve, pipe expansion joints, bellows, waterproof sleeve tube, power delivery Joint, limit expansion joints etc.

Registered trademark "Changmao" brand, selling products throughout 31 provinces, municipalities and autonomous regions, was used in many key prestigious projects, and exported to the U.S., Germany, Italy, Japan, Korea, Egypt, Spain, Vietnam and other countries, enjoying high popularity .

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

COMPANY  PROFILE

SPECIFICATIONS 

DATA1:DN32~DN1100

SIZE	0.6MPa			1.0MPa			1.6MPa			2.5MPa
	D	D1	n-Φ	D	D1	n-Φ	D	D1	n-Φ	D	D1	n-Φ
32	120	90	4-Φ14	135	100	4-Φ18	135	100	4-Φ18	135	100	4-Φ18
40	130	100	4-Φ14	150	110	4-Φ18	150	110	4-Φ18	150	110	4-Φ18
50	140	110	4-Φ14	160	125	4-Φ18	160	125	4-Φ18	165	125	4-Φ18
65	160	130	4-Φ14	180	145	4-Φ18	180	145	4-Φ18	185	145	8-Φ18
80	190	150	4-Φ18	200	160	8-Φ18	200	160	8-Φ18	200	160	8-Φ18
100	210	170	4-Φ18	215	180	8-Φ18	215	180	8-Φ18	235	190	8-Φ23
125	240	200	8-Φ18	245	210	8-Φ18	245	210	8-Φ18	270	220	8-Φ26
150	265	225	8-Φ18	280	240	8-Φ23	280	240	8-Φ23	300	250	8-Φ26
200	320	280	8-Φ18	335	295	8-Φ23	335	295	12-Φ23	360	310	12-Φ26
250	375	335	12-Φ18	390	350	12-Φ23	405	355	12-Φ26	425	370	12-Φ30
300	440	395	12-Φ23	440	400	12-Φ23	460	410	12-Φ26	485	430	16-Φ30
350	490	445	12-Φ23	500	460	16-Φ23	520	470	16-Φ26
400	540	495	16-Φ23	565	515	16-Φ26	580	525	16-Φ30
450	595	550	16-Φ23	615	565	20-Φ26	625	585	20-Φ30
500	645	600	20-Φ23	670	620	20-Φ26	715	650	20-Φ33
600	755	705	20-Φ26	780	725	20-Φ30
700	860	810	24-Φ26	895	840	24-Φ30
750	920	865	24-Φ30	965	900	24-Φ33
800	975	920	24-Φ30	1015	950	24-Φ34
900	1075	1020	24-Φ30	1110	1050	28-Φ34
1000	1175	1120	28-Φ30	1220	1160	28-Φ36
1100	1305	1240	28-Φ33	1340	1270	32-Φ36

PARTNERS AROUND THE WORLD

KNOW--HOW & EXPERTISE 

Stainless Flange