亚洲中文字幕无码天然素人在线-亚洲人成色99999在线观看-无码人妻丰满熟妇啪啪网站-一个人在线观看免费视频www

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...

the province-wide conference of mechanical industry civilizaion, the building of corpoate culture and the proclamation was hold in dezhou of shangdong province on no...

the second competition of “moral model of shouguang city” held by civilization committee of shouguang city had announced the result on december 3rd. vice-chairman, g...

recently, our company was awarded "top 100 private enterprises in shandong province" by shandong administration bureau for industry and commerce;shandong province sm...

our company’s trademark “ ”is honored with “fanous trademark of shandong” in september. according to the rules of regulation of <<method of identifying and pro...

the selection committee recently announced the top ten person of “moving state duty” of weifang, our vice-chairman mr. zhang yunsan ranks no. 1 in the list. over t...