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

PRODUCTS

Oil production machinery
Pipe products Oil production machinery Castings and forgings

  Sucker rod is one of our main products with the essence of advanced technology from home and abroad. Different categories are organized and manufactured in the accordance with SY/T5029, SY/T6272 and API SPEC 11B, including sucker rods of Grade D, Grade HL and HY, ultra-high strength and polished of ultra-high strength and special sucker rod according to user’s requirements. Some of them are authorized to use API monogram and China Industrial Permit.
  In the manufacturing process, the advanced German direct reading spectrometer is used for material analysis; the magnetic leakage detector is used for flaw detection on the production line one by one; the far-infrared thermometer is used to monitor the forging heating temperature during forging; the thermal insulation or air cooling device is implemented according to the requirements of rod body material to control the cooling rate after forging; the fluorescent magnetic particle detector is used to inspect the forged part of the sucker rod after grinding; the forged rod body is tempered to eliminate the stress in the heating zone and the strength is checked by the hot stretch straightening; the rod body is reinforced by overall surface shot blasting to improve the fatigue strength of the rod before threading; the CNC hex lathe is used for machining of the rod head to realize the PLC industrial control automation; the processing accuracy is rechecked one by one after threading with a complete quality assurance system.
  Sub-surface sucker rod pump is one of main equipment in oil production. The pumps are made through advanced surface nickel and phosphate plating, carbonitriding and carbonnitroboriding featured in corrosion resistance, wear resistance, reliability, durability, and high efficiency. In 2011, the pump and its parts used to be authorized to API monogram.
  The main products:tubular pump, rod pump, multi-functional pump, inclined well pump, sand preventing pump, feedback pump, with Φ 32 - Φ 102mm and strokes of 1.8-8m.

主站蜘蛛池模板: 天天干成人网| 极品新婚夜少妇真紧| 国产精品丝袜黑色高跟鞋| 国产情侣激情在线视频| 日本人妻丰满熟妇久久久久久 | 中文亚洲av片不卡在线观看| 国产精品vⅰdeoxxxx国产| 亚洲精品白浆高清久久久久久| 国产99久9在线视频 | 传媒| 一本丁香综合久久久久不卡网站 | 久久精品中文闷骚内射| 精品国产亚洲一区二区三区| 中文字幕无线码一区2020青青| 亚洲精品无码永久中文字幕| 国产乱xxⅹxx国语对白| 福利100合集 在线播放| 精品久久久久久中文字幕| 日本国产一区二区三区在线观看| 国产精品免费无遮挡无码永久视频| 国产xxxx99真实实拍| 欧美自拍嘿咻内射在线观看| 国产精品理论片在线观看| 激情97综合亚洲色婷婷五| 在线a视频网站| 久久人人爽天天玩人人妻精品 | 久久久久国产综合av天堂| 国产女人18毛片水真多| 婷婷综合另类小说色区| 玩超薄丝袜人妻的经历| 亚洲日韩av无码| 无码中文字幕色专区| 五月综合激情婷婷六月色窝| 亚洲欧美人成网站在线观看看| 四川少妇bbw搡bbbb槡bbbb| 久久99精品久久久久久hb无码| 亚洲国产美女精品久久久| 玩弄丰满少妇视频| 精品久久久久久无码人妻| 久久精品国产清高在天天线| 24小时日本高清www| 亚洲乱亚洲乱妇无码麻豆|