我们工厂有20年的历史，与国外客户有稳定的关系，这主要是产品全部由工厂自己加工，质量有保证。

Our factory has 20-year experiences in this field and has a good and steady relation with the customers overseas. This is because the products are processed by our own factory, with the quality assured.

Our factory has the history of 20 year, we have the good and stable relationship with the customers overseas. All products are machined by ourselves and with the good quality.

our factory has 20 years history, and get the steady relationship with foreign customers,that dues to our good quality product which our factory made.

our factory has 20 years history, and have a secure relationship with the customers oversea.That is because the all products are processed by our own factory,and the quality is good