亚洲永久无码7777KKK,成人精品鲁一鲁一区二区,日日做A爰片久久毛片A片英语,色135综合网

^{<style id="37xii"></style>}

Welcome to the official website of Jiangsu Yidelong Petroleum Machinery Co., Ltd!

EN| CH

Position: Home >Honor

: Business license

: API-6A

: API-16A

: API-16C

: API Specification Q1

: ISO 9001 quality management system c…

: Environmental management system cert…

: Occupational health and safety manag…

: Measuring AAA

: Special equipment manufacturing lice…

: CNAS national laboratory

: MCC Manufacturer Capacity Assessment…

: CNPC Well Control Qualification-Cass…

: CNPC Well Control Qualification-thro…

: Service Certificate

: Intellectual property management sys…

Copyright ? 2020 Jiangsu Yidelong Petroleum Machinery Co., Ltd 　備案號：蘇ICP備12011522號-1 技術(shù)支持：飛凌網(wǎng)絡(luò)

<noscript id="ysfde"></noscript>