Ningbo REEcat Environmental Science and Technology Co., Ltd. is a joint venture created in 2005 by the Guilin REEcat environmental Industrial Co., Ltd. Ninghai Dragon reed valve Co., Ltd. From an area of 16, 000 square meters, with 6, 000 square meters of standard factory, specializing in the production of secondaryfill valve, canister, dump valve as well as environmentally friendly products dry powder tank cover carbon tank. Has a the AV valve annual production capacity of 2 million and 5 million canister, the production capacity of 3 million dumping valve.