Listening to cutting-edge information, focusing on the dynamics of zhang drums





GB/T 19001-2016/IS0 9001:2015


Further clarifications regarding the scope of this certificate and the applicability of GB/T 19001-2016/ISO 9001 :2015 requirements may be obtained by this body organization. Certificate in the state regulations administrative license, qualification, mandatory product certification received within the validity period,the regular supervision review of the case effectively. This certificate information is available on the official website of the agency and Certification & Accreditation Administration of the People's Republic of China (

We use optional cookies to improve your experience on our website, including through social media connections, and to deliver personalized advertising based on your online activity. If you decline an optional cookie, we will only use cookies that are necessary to serve you.