ក្រុមហ៊ុនផលិតគ្រាប់បាល់ហ្វ្រាំងរថយន្តណែនាំវិធីសាស្ត្រកំណត់អត្តសញ្ញាណនៃគុណភាពនៃបន្ទះហ្វ្រាំងឡានដឹកទំនិញ

បន្ទះហ្វ្រាំងឡានដឹកទំនិញ? Let the

1 ។ រកមើលការវេចខ្ចប់ផលិតផលនិងវិញ្ញាបនប័ត្រផលិតផល។ Produced by regular manufacturers, the packaging printing is more clear, there is a license number, the specified friction coefficient, the implementation of standards, etc., the packaging box has a certificate, production batch number, production date, etc., so it is necessary to check whether the product packaging is intact, the anti-counterfeiting mark and the packaging mark are consistent with the mark on the product model is consistent with the content of the certificate. ប្រសិនបើការវេចខ្ចប់មានលក្ខណៈសាមញ្ញព័ត៌មានមិនពេញលេញឬទេឬសូម្បីតែផលិតផល "បីណាន់" អ្នកគួរតែពិចារណាវាដោយយកចិត្តទុកដាក់។ In addition, whether it is disc or drum, the manufacturer has strictly specified its thickness, and the owner can measure it by himself.