我们承诺：OK机械售出的所有产品，将免费享有一年保修、终身维护！
We promise: for all the products we sell, we'll offer you one-year guarantee for free and all-life maintenance!
我们承诺我们公司的所有产品均按相应的国家或国际标准以及有关的法律法规的要求进行设计、制造和检验，保证符合相关的质量要求。
We assure that the statements in this certificate are correct and that the design manufacture and test are in accordance with the relevant specification quality requirement.
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