Office hours are 8:30 am to 5:30 pm, seven days a week, in case of holidays, vacations in accordance with state regulations.
If you order demand after 5:30 pm, you can send us an e-mail, our customer service staff will handle your order in the morning; you can also apply for a registered account on our website, so that you will from our employees to work on the impact can always self-service orders, our support staff will handle your order in recent days and shipped. You can through our company official telephone or e-mail, contacts, no matter how much money is the order, we will continue to serve you.

      Bulk product inquiry: You can deal with self-system of our website, you can email or call our customer service staff at your disposal.
Our contact information:
Order / Hotline: +86 57156260326
Order / Customer Service Email:  order@bsaz.com  or 【Bulk Quote]
Technical and Customer Service Email: info@bsaz.com or 【Online Technical Services】


Remittance / transfer mode:
When you want to order the product, please provide the following information: customer name [if you have previously ordered over our product, you can provide your customer number we give directly, so you will inherit policies] confirmed before the unit name, contact phone, product number, quantity, shipping address and billing information day delivery: All day 14:00 before submitting confirmed sales orders in mainland China [limit], we will arrange the day of delivery, unless the order products not in stock.

        We will delivery the product through the safest quickest and most economical way. Unless there are special instructions, when the entire batch of shipment can not be shipped, we will decide partial shipment.
Transportation: Orders in mainland China, we will use the courier or freight shipment way; orders, shipping methods specific areas outside the Chinese mainland, please communicate with your local dealer; if you have a preferred mode of transportation, please let us know.
Transport restrictions: Some products, related; laws and regulations of this transport has certain limitations, the specific situation, please note that our product information;
Price: We will do our best to keep product catalog price stability. However, we reserve the right to change prices at any time power price adjustment, not a separate notice, the final product price www.bsaz.com official website of the data subject.
Mass production: many of our high-volume products at lower prices. Please contact us about discount sales department.

Returns: If you want to return, we will do our utmost ability to meet your needs. What products can operate on specific returns, please contact our customer service personnel to confirm. Has not been the case in our written consent, any return of our products, we do not make sure that someone receiving treatment, if breakage or loss, we will not bear any responsibility.
All unopened return after we agree, we will charge 10% of the fee product price, the minimum charge 100 yuan. Of course, this fee will not apply to us because we recall or operational errors shipped the wrong product. Quality Limited Warranty: We guarantee that all products sold are in line with the company's website indicated the current technical specifications of the product. If you find products and technical specifications thanks to good Hangzhou Sheng Biotechnology Limited does not match, please send an e-mail or call to our after-sales support, we will verify back, and free for you to exchange goods or cancel the order.