Wai Kar Industrial Co., Ltd is established in 1993, experienced in and qualified for designing and manufacturing various kinds of high pressure gas cylinders. Presently, Wai Kar Industrial Co, Ltd can produce high pressure seamless steel cylinder, welded cylinder, composite cylinder, aluminum liner fully wrapped with carbon fiber composite cylinder in all kinds of sizes. WKI now has the following quality system certificates: ISO9001;2000, ISO11439 , NGV2, KGSWKI's products have been exported to more than 40 countries with great reputation in China.