综合色图,欧美一区二区三区在线观看,午夜丁香婷婷,欧美11一12周岁a在线观看,日韩精品视频在线观看免费,国内一区二区三区精品视频 ,春色视频一区二区三区

Hello! Welcome to the website of Dongda Machinery Manufacturing Co., Ltd!
 ※ BACK TO HOME ※ 中文  ※ English
High tech Enterprises
Integrating R & D, production, sales and service
Service hotline:
13675469181
PRODUCT DISPLAY
High tech enterprise integrating R & D, production, sales and service
  • 鉆井修井設備工具及配件
  • 采油設備及配件
  • 開關(guān)磁阻調(diào)速電機
  • 壓力容器類
  • 真空加熱爐及燃燒器
  • 防腐鋼管線
  • 柔性復合管及燃燒氣管道
  • 野營房
  • 電加熱器及開關(guān)柜
  • 油田專用閥
  • FOUR ADVANTAGES OF DONGDA MACHINERY
    Reputation comes from star quality, price excellence comes from cost control
    Metalworking manufacturer
    Metalworking manufacturer
    Professional service saves you time, effort and worry
    Manufacturer
    Price
    Service
    TEL:13675469181
    01
    Quality first, sincere win-win
    Innovation first: advance high-tech, rapid response to meet the needs of customers; quality first: product quality is the fundamental to the optimization of customer products.
    02
    Bold practice and hard work
    Management Oriented: in the process of enterprise operation, it should be based on management.
    03
    Professional technology, high cost performance
    The company adopts advanced technology and standardized manufacturing system in accordance with modern enterprise system management, ...
    04
    Perfect after-sales service and keep improving
    We are equipped with an experienced and skilled after-sales service team, and implement the "Three Guarantees" service commitment, ...
    ABOUT US
    Dongying Dongda Machinery Manufacturing Co., Ltd
    Dongying Dongda Machinery Manufacturing Co., Ltd. is a high-tech enterprise integrating R & D, production, sales and service. The company is located in the north section of Juzhou Road, Dongying Economic and Technological Development Zone. The factory covers an area of 40000 square meters, with more than 260 employees,.....+++Click to see more+++
    NEWS INFORMATION
    Pay attention to the latest trends, understand the latest cutting-edge technology and master the latest science and technology