色偷偷男人天堂 I 国产1区2区3区4区 I 在线成人h网 I 欧美成人中文字幕 I 日日摸夜夜添狠狠添久久精品成人 I 女人丝袜激情亚洲 I 韩国三级hd中文字幕叫床浴室 I 午夜久久久精品 I 日少妇的逼 I 久久久香蕉网 I 久久国产中文 I 国产白丝精品 I 欧美精品人妻一区二区 I 九九热在线精品 I 久久久成人精品一区二区三区 I 国产精品一区二区在线看 I 国产男女猛烈无遮挡免费观看网站 I 男人在线视频资源 I 久久av电影 I 女人被狂躁c到高潮 I 国产精品111 I 综合国产在线 I 视频在线不卡 I 久久一级片 I 精品福利片 I 乱色专区 I 中文字幕一区二区在线视频 I 久久午夜免费电影

---Weihai Chemical Equipment Co., Ltd. Was founded as a designated fabrication enterprise of the former Ministry of Chemical Industry

Type GS-2 laboratory high pressure reaction kettle passed the technology appraisal by the ministry of chemical industry---

---Nov. Class I & II pressure vessel manufacture license

Sep. Restructured into a private enterprise
---

Sep.Class III pressure vessel design license---

Sep. changing into the current name “Weihai Chemical Machinery Co., Ltd.”---
Oct. Factory relocation (moved from its former address to Zhangcun Town Tourism Resort)---

---Dec. Passed the pressure vessel explosive cladded plates manufacture safety registration review

provided 2 polypropylene reactors to Shijiazhuang refinery Company cooperated with Sinopec and became the qualified supplier of Sinopec, which marked as the beginning of the cooperation with domestic large chemical enterprises---

---Dec. granted the “high-tech enterprise in Shandong Province” and “Shandong Research Center of Engineering Technology of Reaction Kettle Drive Set” honorary titles.

established the “fluid mixing technology and stirrer R&D center”with Harbin Institute of Technology---
Secondary plant extended, covering over 20,000㎡, which was put into use in September---
Joined the China Chemical Equipment Association and obtained the supplier certificate of China Chemical Group---

---Apr. Tertiary plant extended and put into use

---Nov. ASME code pressure vessel “U2 stamp” certificate