精品人妻一区二区三区四区在线_国产人妻人伦精品1国产盗摄_精品乱子伦一区二区三区_亚洲精品无码久久久久牙蜜区_精品久久久久久无码中文字幕一区

in the sinopec and cnooc’s public bidding activities, we got that our multiple product items were successfully awarded. this bid is an affirmation to our product com...

recently, shandong molong has been rated ad ""take contrat contract, re-credit"" enterprise by chinese enterprises brand quality evaluation center and chinese enter...

recently, informed by weifang intellectual property office, our company is certified as 2017 shandong province intellectual property demonstration enterprise, becom...

recently weifang economic and information commission, weifang bureau of finance released , technology center was identified as weifang industrial design center in 201...

in the past few days, equipment division takes the lead to organize skill of crane driving competition monthly. the competition includes theory test and practice test...

serious domestic safety accidents have happened continuously in recent years which caused significant personnel losses and property losses; it also sounds an alarm to...

recently, shouguang city federation of trade unions of mulberry of tsinghua university vice president, came to my company 180 special tube factory, company workers in...

in april 28, 2015, shouguang city to celebrate "five one" and "building quality shouguang" advanced model in recognition of the meeting was held in the business distr...

in 2015 march 3, 2015, shouguang city "three level cadres conference" was held, the meeting i units are shouguang municipal government awarded the "outstanding contri...

the 2013-year annual general meeting was held in the meeting room of the third floor of the office building in the morning of 27, june. the shareholders attending t...

on 17 of june shandong molong petroleum machinery co., ltd. approved the audit of “aaaa” standardization good behavior enterprise. in the process of auditing, the ...

pressure equipment（ped）certification is the mandatory rule of law approved by eu countries in terms of safety problem of pressure equipment. seamless steel pipe expo...

test...

from march 8 to 13,2010, two inspectors from shanghai moody inspection company were authorized to audit molong’s api license use: api spec 5ct、api spec 5l、api spec 5...

molong news: on feb.3,2010, upsetting process of drill pipe body patented by sipo. over past years, molong has been paid more attention to the r&d of new produc...

molong news: recently, molong was rated i export company by shandong inspection and quarantine bureau. through comprehensive evaluation of credibility,production ...

the beginning of december 2009, technology center redesigned the rolling tools for uniformity of wall thickness and lighting internal spiral, and adopt piercing-redu...

26th dec 2009, duan guomao, academician of the chinese academy of engineering and experts visited our technology center for visit and guidance. the technological inn...

on auguest 5th, liu xiaodong, administrative assistant general manager of the shanghai securities exchange and the party arrived at the company for the specific resea...

urumqi, jan. 30 (xinhua) -- developers of two key oilfields in xinjiang uygur autonomous region have pledged to further tap oil and gas reserves and boost their prod...