● Directly manufacturer.● More than 20 years exporting experience.● Perfect and Quality after-sales mechanism.● engineer is available for training aboard.● OEM order is welcome,Sample order is welcome.● Timely delivery.● Exclusive and unique solution can be provide to our customer by our well-trained and professional engineers and staffs.● Various certificate authentication.● Quality after-sale service 10. Before shipping, we provided packing photos for customer and also, test result can be provided, if needed.