少妇被又大又粗又爽毛片久久黑人_丰满人妻少妇久久久久久_国产AV无码专区毛片_国产精品亚洲av综合成久久久久久三级_欲香欲色天天影视综合网||www.cracktech.cn,国产一级精品高清一级毛片,欧美一级片免费在线观看,国产一级特黄高清在线大片,国产一级做a爰片在线,国产亚洲人成网站在线观看,精品国产爽爽AV,青青青国产费观看视频国产,国语自产拍在线视频普通话94,操大骚穴||www.great-house.cn ,午夜家庭影院,国产午夜精品一区二区,亚洲人午夜射精精品日韩,电家庭影院午夜,欧美午夜理伦三级在线观看,久久午夜无码鲁丝片午夜精品||www.qdshengxin.cn ,10000部未满十八岁禁止访问,100大看免费行情的软件下载,100个被禁用的软件下载安装,100个免费推广b站,100款安全应用软件免费大全,100款不良网站进入窗口免费,100款不良网站进入窗口软件免费,100款不良网站入口窗口,100款不良网站入口窗口免费,100款进入夜间软件下载,100款禁用的流氓软件免费版,100款禁用软件永久无限大全免费,100款禁止安装的软件,100款流氓禁用软件,100款流氓软件,100款流氓软件APP下载,100款流氓软件APP下载大全||www.yihuabi.cn

---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