Qingzhou Hengri Metal Products Co., Ltd. Tel:0536-2133230 Fax:0536-2137228 Email:master@hansing.com.cn Add:1809 Tokyo Road, Economic Development District, Qingzhou, Shandong Url:www.hansing.com.cn p.c:262500
R
1/8
1/4
3/8
1/2
3/4
1
DN
6
8
10
15
20
25
A
18
19
21
22
28
11/4
11/2
2
21/2
3
4
32
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50
65
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100
33
36
43
56