喷水国产精品外流|亚洲日韩AV无码|日本aaaa精区|亚洲色图av一区|美女网站色色色色|色五月综合乱伦|伊人激情AV一区二区三区|精品9区在线观看|久久的狠狠的激情|亚洲婷婷一区亚洲无码明星

the company has more than 300 employees, excellent management team, perfect management system, and more than 10 core technology innovation and product research and development every year. the patent achievements increase year by year, which promotes the rapid development of the enterprise. at present, it has obtained iso9001:2008 quality system certification,japanese certification and european product quality certification. products are exported to the united states, germany, japan, australia, the united kingdom, switzerland, south korea and other countries, and stand firmly in the european, american and middle east markets.