2013年1月30日星期三

Tungsten Weighting Rod in Oil Exploration

Tungsten alloy rod is widely used in oil exploration as weight which can be made into different sizes.

Dia
Length
22
200-500
26
200-500
28
200-500
32
200-500
38
200-500
40
200-500
42
200-500

没有评论:

发表评论