Testing Center 1 Testing Center 2

All ZHICHENG products were rigorously tested before leaving the manufacturing plant, and come with a standard one-year limited warranty against defects in materials and workmanship. We can also agree to offer an extended 3 or 5 years warranty as required by the customer, at an extra cost.

This guarantee is valid only if the product has been used in accordance with the instructions and for its intended purpose. ZHICHENG shall not be held responsible for consequential damages result from the abuse or misuse of the product. ZHICHENG¡¯s liability shall be limited to the repair or replacement of the unit or refund of the purchase price.

By the time maintenance is needed, please always remember to tell us the below information:

1, the purchase date
2, the serial number of the instrument
3, the model of the instrument
4, what is the room temperature in your area?
5, what is the setting temperature to the instrument?
6, what is the displayed temperature on the LCD panel?
7, what is the actual temperature measured inside the instrument?
8, what is the timer value set to the instrument?
9, what is the shaking speed value set to the instrument? (incubator shakers only)
10, a detailed description of the problem, in easy-to-understand English language.

After receiving your above feedback, we will analyze the problem as soon as we can, and a service engineer will be despatched from the nearest distributor to conduct the maintenance. In some cases, the true problem is quite hard for us to locate, we would like to ask you to have some patience and tell us more information as much as you can. Please do not try to hide the truth, or modify the instrument without finding out the exact damage, this will only make the problem worse, and a waste of time as well.

Important Alert:

Counterfeit products have become a serious concern for ZHICHENG. Counterfeit products are hurting not only our business, but also authorized distributor's benefits, and above all, users are the number one victim. Counterfeit products are often sold at very low price, but of inferior quality and performance, and may even cause safety problems including the risk of fire hazards. Sometimes it is difficult to identify counterfeit products in the market because some of them look almost identical to genuine ZHICHENG products. Please be advised that we are not responsible, will not be liable for any damage or loss resulting from the use of counterfeit products and will not provide any technical support of counterfeit products.


ZHICHENG products get a renewed CE Mark approval from DNV (Det Norske Veritas), which allows its products to be marketed in EU member countries as well as many other countries that recognize CE.








Tel: +86 21 62990303 Fax: +86 21 62991077 Email: zhichenginstrument@163.com
Add: No.2222 Huancheng Road (West), Nanqiao Town, Fengxian District 201400, Shanghai, China.