国产成人aa在线观看视频,国产一在线,亚洲国产成人精品一区二区三区,看全色黄大色大片免费久久

management system

Company to product quality as the lifeline, based on the domestic, global service as the concept, to high-quality services and domestic and foreign users to establish a good relationship of cooperation...

Staff team

Since its inception, the company through a variety of ways to improve the quality of the company's staff awareness and quality of implementation...

Certification

Companies have won:
American Petroleum Institute API-Q1 quality system certification;
American Petroleum Institute API7K certification...

Sales network

The company has a stable customer base and strong sales network, spread all over the domestic and foreign markets. Through years of cooperation, the company has received extensive trust from its clients...

Dezhou Longke Petroleum Equipment Co., Ltd.

? ? ● Dezhou Longke Petroleum Equipment Co., Ltd. was founded in February 10, 1999, is located in Dezhou Economic Development Zone, University Road No. 2127, The registered capital is 56 million yuan only, covers an area of 35 acres, workshop of nearly 5000m2. ? ? ●?The company is a high-tech enterprise integrating product design, production and service. Mainly engaged in oil drilling, cementing, fishing and oil production equipment, tools research and development. The company has independent im...

【to view more】

Dezhou Longke Petroleum Equipment Co., Ltd.

No.2127,East of College Road,Economic&Technology Development Zone,Dezhou,Shandong,China

魯ICP備2021046750號-1