1. All fax or telephone numbers without area codes on the website are local numbers, and sometimes they are with the area code 735 left out to save space. For international long-distance calls from outside China Mainland, you have to dial: +86 (country code) + 735 (area code) + telephone number. 

2. Information updatesWe will regularly check and update the information. Please contact us any time you find out that there is something wrong with the information at [email protected]. We can look for and correct the information immediately. Thanks very much for your support to the website. 

For more information or technical assistance, please contact us by sending the e-mail to: czdzzwb.163.com.