欧美成人精品一区二区三区_日韩美女福利视频_91香蕉亚洲精品_国产噜噜噜噜久久久久久久久_久久在线视频在线_日韩欧美在线一区_久久精品成人一区二区三区_91中文字幕在线_国产主播喷水一区二区_亚洲第一区在线观看_国产欧美精品va在线观看_久久手机免费视频_在线观看日韩www视频免费_免费不卡欧美自拍视频_色黄久久久久久_欧美区在线播放

Hello! Welcome to the website of Dongda Machinery Manufacturing Co., Ltd!
 ※ BACK TO HOME ※ 中文  ※ English
company news
Your location: HOME > news> company news

Dongying Dongda Machinery Manufacturing Co., Ltd

Release time:2020-05-12     Browse times :


1、 Company Profile


Dongying Dongda Machinery Manufacturing Co., Ltd. is located in Dongying City, the beautiful and rich Yellow River Delta - the site of Shengli Oilfield and the estuary of the Yellow River. It was founded in January 2001 and covers an area of 70000 square meters. It is a professional manufacturer of petroleum drilling and production equipment and accessories, a national high-tech enterprise, and a member unit of Sinopec's first level supply network. Registered capital of 101.8 million yuan, fixed assets of 300 million yuan, with strong risk resistance ability. The company has strong technical strength, advanced production technology, complete testing equipment, and reliable quality. The company currently has 180 employees and the ability to produce various difficult metal parts, with an annual output value of over 200 million yuan.


2、 Main products and markets


In the development of more than a decade, a product system has been formed, mainly consisting of wellhead connection devices and ground equipment such as pumping unit accessories, wellhead accessories, oil and gas production wellheads, thermal production steam injection wellheads, wellhead compensators, steam injection pipelines, etc., supplemented by stainless steel fine sand control pipe downhole tools, drilling operation special tools such as elevators, lifting rings, and hooks. At the same time, in recent years, the company has also developed new products such as oil storage tanks, separators, heating furnaces, heat exchangers, and multifunctional oil well collectors for first and second class pressure vessels used in petroleum and petrochemical industries. The speed regulating motors, heating furnaces, filters, and burners invented by our company have been widely used in oil fields, reducing the labor intensity of oilfield workers and improving production efficiency, and are highly welcomed by users.


3、 Production equipment


We have purchased several high-precision equipment such as VB-825A and NBP-1000A vertical machining centers, large vertical gantry planer and milling machines, large CNC boring machines, and fully functional CNC machine tools. We also have the ability to process mechanical parts through heat treatment, quenching, and high-frequency quenching. We have a 1000 ton pressure testing machine, magnetic powder testing, ultrasonic and radiographic testing capabilities for 12m length parts, a 15m long and 7m wide X-ray lead room, a 14 meter long and 6-meter wide paint room, and meet environmental protection requirements. The company's quality management is strictly established in accordance with the American Petroleum Institute's API quality management system, and raw material suppliers are carefully selected. Strictly implement product labeling and traceability control procedures, take product traceability as the red line of quality management, run through the entire process of business activities, and implement production status labels and inspection status labels at every link after raw materials enter the factory. The status label follows the product circulation system to ensure that records correspond one-to-one with physical objects, ensuring the product's qualification rate.


4、 Main qualifications and certificates


1. A-level pressure pipeline component production license


2. A-level pressure vessel production license


3. Maintenance Certificate for High Pressure Boiler in Oilfield


4. API 8C and API 5CT certificates


5. 4 invention patents and 35 utility model patents


5、 Quality Assurance System


Establishing and improving a quality management system and maintaining its effective operation is the core of an organization's quality management and the key to implementing quality management standards. Dongda Company is fully established in accordance with the modern enterprise system, strictly implementing scientific management, and establishing a sound quality system. A-level pressure pipeline components and A-level pressure vessel production license, A-level boiler maintenance certificate, and have passed ISO9001:2015 international quality system certification ISO14001: 2015 Environmental Management System Certification OHSAS18001: 2001 Occupational Health and Safety Management System and American Petroleum Institute API 8C and 5CT Qualification Certification.


6、 Service system


In order to meet the needs of the oilfield market, our company has also equipped an experienced and technically proficient customer service team of 30 people, 10 trucks and 15 small cars, to provide users with timely installation, commissioning, maintenance, after-sales and other technical services. We implement the "three guarantees" service commitment, truly making users feel at ease with product quality and satisfied with service. Our company has offices in Karamay, Korla, Nanyang, Zhongyuan and Daqing. Dongda Company promises that if there are any problems with our products during use, we guarantee to arrive at the site within 2 hours and provide service to customers.


Facing the future, Dongda Company will uphold the principle of harmonious development of society, nature, and resources, seek common development between the enterprise and society, and carefully build itself into a "global petroleum equipment supplier with independent intellectual property rights and well-known brands". In continuous development, we welcome friends from all over the world with open arms, cooperate sincerely, and create brilliance together!


[Return]   
欧美成人精品一区二区三区_日韩美女福利视频_91香蕉亚洲精品_国产噜噜噜噜久久久久久久久_久久在线视频在线_日韩欧美在线一区_久久精品成人一区二区三区_91中文字幕在线_国产主播喷水一区二区_亚洲第一区在线观看_国产欧美精品va在线观看_久久手机免费视频_在线观看日韩www视频免费_免费不卡欧美自拍视频_色黄久久久久久_欧美区在线播放
欧美一区2区视频在线观看| 51av在线| 日韩在线视频网| 精品国产乱码久久久久久郑州公司| 精品久久毛片| av资源久久| 欧美视频一二三区| 精品国产一区一区二区三亚瑟| 国产精品爽黄69| 精品久久久久久久久久ntr影视| 亚洲一区亚洲二区| 成人av集中营| 2020国产精品极品色在线观看| 亚洲搞黄视频| 99re8在线精品视频免费播放| 久久精品久久综合| 亚洲伦理一区二区| 欧洲中文字幕国产精品| 亚洲一区二区三区四区五区午夜| 国产精品亚洲一区二区三区| 国内精品视频免费| 丁香啪啪综合成人亚洲小说| 欧美一区二区视频观看视频| 国产精品激情av在线播放| 色777狠狠综合秋免鲁丝| 45www国产精品网站| 成a人片国产精品| 免费成人小视频| 日韩av电影在线观看| 亚洲欧美卡通另类91av| 精品久久久久久综合日本欧美| 日本韩国欧美一区| 黄视频在线免费看| aaa级精品久久久国产片| 国产欧美午夜| 欧美一区二区麻豆红桃视频| 成人羞羞视频免费| 在线播放中文字幕一区| 七七久久电影网| 最新日韩精品| 一区二区三区视频免费| 姬川优奈av一区二区在线电影| 97se狠狠狠综合亚洲狠狠| 亚洲乱亚洲高清| 在线日韩一区二区| 亚洲精品高清视频在线观看| 日本三级中国三级99人妇网站| av成人免费在线观看| 国内精品一区二区三区| 国产精品福利久久久| 亲子伦视频一区二区三区| 欧洲vs亚洲vs国产| av影片在线一区| 999热视频在线观看| 夜色激情一区二区| 国产一区二区三区四区五区入口| 亚洲福利合集| 久久天天躁夜夜躁狠狠躁2022| 亚洲一区二区三区xxx视频| 97青娱国产盛宴精品视频| 麻豆91在线播放| 亚洲欧洲日韩综合二区| 欧美日韩三级电影在线| 欧美极品欧美精品欧美视频| 日本精品一区二区三区不卡无字幕| 久久免费视频一区| 亚洲影视中文字幕| 色欧美乱欧美15图片| 成人av免费在线| 亚洲制服一区| 国产精品福利在线播放| 欧美极品少妇xxxxⅹ高跟鞋| 亚洲色图制服诱惑| 99在线精品视频| 97久久精品一区二区三区的观看方式| 欧美精品v日韩精品v韩国精品v| 久久91精品国产91久久久| 中文字幕av不卡| 午夜亚洲伦理| av电影在线播放高清免费观看| 欧美大片va欧美在线播放| 欧美自拍视频| 99久久婷婷国产综合精品首页| 久久9999免费视频| 亚洲精品久久久久中文字幕二区| 伊人久久久大香线蕉综合直播| a91a精品视频在线观看| 在线观看不卡一区| 亚洲精品视频在线观看网站| 伊人电影在线观看| 日本婷婷久久久久久久久一区二区| 日韩香蕉视频| 欧美性欧美巨大黑白大战| 亚洲欧洲一区二区三区久久| 欧美日韩中文字幕一区二区| 亚洲丶国产丶欧美一区二区三区| av电影免费在线看| 色呦呦在线观看视频| 中文字幕va一区二区三区| 久久精品视频99| 中文字幕亚洲二区| 9i在线看片成人免费| 欧美专区在线播放| 亚洲va久久久噜噜噜| 欧美成人精品一区二区三区在线看| 国产日本一区二区| 麻豆成人av在线| 在线视频免费在线观看一区二区| 欧美视频精品在线观看| 国产久卡久卡久卡久卡视频精品| 久久精品网址| 一本色道久久综合亚洲精品高清| 欧美日韩91| 免费高潮视频95在线观看网站| 欧美一级大片在线观看| 538视频在线| 88在线观看91蜜桃国自产| 91色porny蝌蚪| 久久精品国产亚洲精品| 91精品国产色综合久久ai换脸| 成人日韩精品| 中文字幕中文乱码欧美一区二区| 一区二区三区在线视频播放| 奇米色一区二区三区四区| 91精品国产乱码久久久竹菊| 国产亚洲综合精品| 成人免费视频网站在线观看| 国内精彩免费自拍视频在线观看网址| 精品视频高清无人区区二区三区| www亚洲人| 国产亚洲欧美一级| 午夜精品av| 色88888久久久久久影院| 亚洲一区二区三区免费视频| 欧美一区二区三区四区高清| 国产高清不卡二三区| 91精品办公室少妇高潮对白| 亚洲女人****多毛耸耸8| 国产精品成人网| 国产在线一区二区综合免费视频| 欧美精品乱码| 色喇叭免费久久综合| 精品视频在线播放免| 欧美日韩国产一区精品一区| 日韩1区2区3区| 午夜精品一区二区在线观看的| 91在线观看高清| 欧美一区二区福利在线| 国产在线欧美| 日韩欧美在线中字| 国产91亚洲精品一区二区三区| 日韩欧美在线免费| 日日夜夜精品免费视频| 欧美一级专区| 精品一区二区三区亚洲| 久久久亚洲国产| 成人在线亚洲| 黄色大片在线| 成人综合av网| 国产h片在线观看| 美女黄视频在线观看| 在线亚洲+欧美+日本专区| 国产精品∨欧美精品v日韩精品| 欧美色图激情小说|