蜜桃91丨九色丨蝌蚪91桃色-午夜激情黄色-91精品国产99久久久久-午夜成午夜成年片在线观看-成人精品久久日伦片大全免费-亚洲综合色吧-99国产精品丝袜久久久久久-国产精品久久久网站-中国做爰国产精品视频-成人免费在线看片-久久一区视频-日本特级毛片-久碰久摸久看视频在线观看-亚洲男人在线天堂-我我色综合-激情婷婷六月天-九色porny视频黑人-丁香五月欧美成人-欧美视频精品免费覌看-久久日av

Mr. Yu Zhengqian, a senior paper&pulp specialist, visited our company for an academic discussion on 10th, OCT. 2013 under the invitation of our general manager, Mr. Xuelei. 
    Being accompanied by our general manager assistant, Mr. Ma Huanxing, He visited our pulping equipments being manufactured in the workshop, and then he made a technical discussion with us and made training and guide for us, the important persons in technical department, fabrication department, quality department, customer service department, sales department and purchase department etc. attended this discussion, training and guide meeting. Mr. Yu Zhengqian gave many constructive suggestions and brought up unique and innovative concept. All the persons who attended this meeting thought that they learned a lot from Mr. Yu Zhengqian.  The technical training and guide by him shall help us to perfect the product design, improve the product performance, achieve perfect quality and achieve the first class brand further more.