欧美精品+成人免费+一区二区,惨遭蹂躏的大学校花,日本少妇被黑人xxxxx,已婚少妇美妙人妻系列,一个人看的www免费高清中文字幕,美丽的熟妇中文字幕,三年在线观看免费完整版中文,成人性生交大片免费看r链接,精品香蕉一区二区三区

Shenzhen DZ-United Technology Co.,Ltd is located in the forefront of reform and development city of shenzhen. Specializing in magnesium alloy furnace, magnesium alloy die-casting equipment and consumables, magnesium alloy refining equipment and various non-standard magnesium alloy furnace and other equipment research and development, manufacturing and sales. It is a national high-tech enterprise (Certificate: GR201644200127), standing Chinese foundry association director unit, Hongkong Die Casting Association permanent member, member of the National Committee of China Magnesium Association, casting machinery standard (SAC/TC186) member, metal hot forming technical committee (SC2) member, Shenzhen Qianhai equity trading center four Board listed companies (listed Code: 667018).

The rapid development of the company in order to cater to the domestic magnesium industry, in many of the original magnesium enterprises, under the support and assistance of magnesium application enterprise and colleges, developed for primary magnesium refining furnace, liquid transfer pump / pump casting, continuous casting machine, magnesium alloy experimental furnace, special mixing machine equipment in common. To the majority of R & D personnel, in refining magnesium alloy, semi continuous casting, recycling of magnesium, magnesium alloy melt and automatic quantitative pouring, equipment maintenance equipment such as magnesium instant noodles, applied for a total of more than and 10 national patents for magnesium alloy equipment with international standards laid a good technical foundation of magnesium products. Our enterprises in the magnesium alloy furnace and peripheral equipment at home and abroad has been widely used, and by the vast number of customers!