Pancake coil :
(1)Pancake coil for air-conditioning and refrigeration field service ASTM B280.
(2)Pancake coil for general engineering applications ASTM B75.
(3)Pancake coil for refrigeration, oil lines gasoline lines ASTM B68.
We are Qingdao Hongtai Metal Co., Ltd.(manufacturer).One of the largest companies specialize in producing red copper tube in P.R.CHINA. We can supply different kinds of copper tubes under ASTM, BS / EN, JIS : ACR pancake coil, LWC coil, straight lengths, copper water tube, PVC & PE copper tube, copper tube for water gas and sanitation, copper tube for natural gas and liquefied petroleum gas fuel distribution systems etc.
Our products had been applied in air-condition, refrigeration, general plumbing, engineering, heat exchangers and natural gas & liquefied petroleum gas, etc. And our products are high quality and low price, export to the countries almost all over the world, which has met with warm receipt in those countries import our products.
We have won the ISO9002 Quality System Certificate (in has been changed to ISO9001-2000 Version in 2002) in 1999, the ASTM Quality Certificate and the Qualification Certificate of Enterprise QC Department in 2000 and Advanced Units of Developing Quality in 2001.