黑人最大最粗bbbbvb,免费观看一区二区三区毛片,精品国产AV色欲果冻传媒,久久久久国色αv免费观看

Beijing Langqiao Surface Technology Co. (LQ) is the earliest company in China developed cored wire for arc spray application. Since Year 2000, LQ had started its R&D work on cored wire for arc spray with Beijing University of Technology.

Sept. of 2001, LQ launches its new cored wire product LX88A. It is an ultra-hard cored wire for arc spray use. This wire can produce coating with the hardness of over HRC70 and the bond strength as high as 45MPa.

LX88A is recommended to be used for particle abrasion, erosion and wear resistant applications, typically include fluidized boiler tubes, industrial fan blades, pulp impellers, wire drawing pulleys and plastic impellers.