In year 2017, JST accepted API recertification Audits and successfully passed the audit. All the update certificates have been uploaded to JST official website-www.jst.so. (Without the permission of our company, no organization or individual may download all kinds of certificates and achievements of our company)

　　JST has been adhering to the tenet of “quality first” over the past 11 years. Through all the employees’ concerted efforts, JST quality management system has been running continuously and efficiently. JST’s quality is at the forefront of the industry.