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
1/4
3/8
1/2
3/4
A
41
45
50
57
B
19
23
27
32
SW
29
34
39
47
1
11/4
11/2
2
66.5
75
83
93
37
42
48
56
58
67
77
90
