HEstablished in 1993, Hangzhou Tianlong Steel Cylinder  Co.,Ltd. has developed to be one of the largest manufacturers in Zhejiang province.  We are professional manufacturers of liquefied petroleum gas (LPG) cylinders and accessories.  We have focused on manufacturing, marketing and servicing in both the domestic and overseas markets in this area since start-up.  To date, our annual exporting revenue has reached 15 million USD, and our annual production rate is 20 million units.