亚洲国产精品一区二区一本在线_国产精品一区视频日韩_亚洲avav电影av在线_韩国无码av片在线观看_91人前露出精品国_18禁止看爆乳奶头网站_8分钟处破好疼哭视频在线_久久产精品一区二区三区污_人妻互换国内精品_a级片网站在线观看

Chinese | English

Company News

Deshunyuan Company Successfully Passed the On-site Inspection of CNPC Product Quality Certification
AddTime:2020-10-30 11:01:14  Author:管理員  From:本站  Hits:2353

On October 29th, 2020, Shandong Deshunyuan Petroleum Sci& Tech. Co., Ltd accepted the on-site inspection by the quality certification inspection team of CNPC and gained a full understanding and affirmation of the production capacity and quality control level through the data inspection, communication and on-site observation of the inspection operation of quality inspectors. It was agreed that the two products added by the company this time: Sulfomethyl Phenolic Resin SMP-1 and SMP-3, which are fully met the standard requirements of the product quality certification additions of CNPC.

 

Provide the highest quality products and services to customers worldwide
Committed to becoming an international first-class oilfield chemical supplier
Contact Us