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17715390137
Tel/Wechat:
18101240246 (Technology)
0512-68565571
Email:mxenes@163.com (Sales Engineer)bkxc.bonnie@gmail.com
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Please carefully open the package to prevent sharp objects from damaging the goods in the package.
When receiving the goods, carefully check the item number, packaging specifications, quantity, and appearance of the goods, and keep them in accordance with the product storage requirements.
If there are factors such as damaged packaging, wrong goods, low product, and surface quality problems, please contact customer service to apply for return or apply for replacement.
From the date of receipt, the inspection period is one month. If the deadline is over, the default product has been accepted.
Reminder: Beijing Beike New Material Technology Co., Ltd. supplies products only for scientific research, not for humans |
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