This product is not available to those durability, such as an engine is required. 50 hours, was caused a burn at about 3000Km. Of clearance such as an increase, because it is not a play such as generation, it is likely that there is a big problem in the dimensional accuracy of the product. Because it is a very dangerous product, depending on the application, strict use setting, thank you to use rating notation.
Compared with those of the leading manufacturers it seems to be a quality not inferior. Given the consumables is a sufficient level. For durability, you, but it will be the future of the confirmation likely safe to use than those of foreign-made.