1. If you find quality problems after receiving the product, please contact the customer service staff in the first time (within 7 days after receiving the product), after our company confirmed, the product will be returned to the company, and please keep the original packaging of the product not damaged, the customer will return the product (including the invoice) and the return single, return to the address specified on the return form.

Note: If the returned product contains a gift, the gift must be returned at the time of return. The company will exchange or return the goods for you (7 working days), overdue will be regarded as the quality of the goods meet the requirements.

2.Product quality problems caused by the return or replacement of goods, please send an email or written fax to us within 10 days after receiving the goods, we will follow the following process to deal with you. If the quality problem is raised outside the above time period, it will not be accepted:

1. Contact email: bioresin@163.com

2. Please list your test purpose, reagents used, test procedures, test results and problems encountered

3. Your returned products will be tested again by our quality inspection department. If it is a product quality problem, we will refund the payment for you or replace the product as soon as possible. If there is no quality problem, we will return the remaining products after quality inspection to you. The reagents lost during quality inspection must be consumed in the normal process, and the company will not reissue or refund this part.

3. Due to the particularity of the products sold, in order to ensure the quality of the products, all products once sold, no quality problems will not be returned;

1. The product will not be returned or exchanged after three months of sale.

2. Order futures products and customized products;

3. Goods whose outer packaging has been seriously contaminated or damaged, and goods that have been opened;

4. Goods whose packaging labels and bottles have been replaced with others' labels or bottles;

5. Goods with quality and damage caused by improper storage or return during transportation

4. Disclaimer: As a professional, please read the relevant information about products or technical services published on the official website of Beijing Bailuisen Biotechnology Co., Ltd. in detail before purchase.

1. Please use according to the instructions of this product, if it is used for other purposes, the user must prove its applicability;

2. The user shall be responsible for any damage or complaint caused by improper use or storage;

3. After receiving the product, the user should immediately check the variety, quantity, packaging, etc. If the quality and quantity are inconsistent, the relevant compensation is limited to the standard material itself, and does not involve any other losses.

4. If the products are used by the Buyer only for scientific research, and the products are used for other purposes without authorization, the Buyer shall bear all the legal consequences arising therefrom, and the Buyer shall be exempt from any compensation or claim against the Seller.

Beijing Bairrison Biotechnology Co., LTD., have any suggestions or questions

Welcome to call: 400-082-5998