86-757-85770067
803 & 803A, Bldg. 1, Guangfo Zhicheng, Lingnan Road, Dali Town, Nanhai Dist., Foshan, Guangdong, China (Mainland)
Mushroom exhaust air stainless steel waterproof air vent cap, US $ 5 - 8 / Piece, China, VAIRTECH, EV-BS.Source from Foshan Vairtech Ventilation Co., Ltd. on Waimaotong.com.