GL-202 High-speed thick cloth level sewing machines is applied to sewing jeans, tents, seat cushions, leather goods etc. Model GL-202 the with adoption of automatic Sillcone-oil thread lubricating system which guarantee the stable sewing performance, high efficiency and excellent quality. Equipped with big rotary hook, And selflubricating system to reduce bobbin changing and strengthen the durabllity of the hook and other easily damaged parts.