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| Address: SHIMA ROAD,LOU |
| XING DISTRICT,LOUDI,HUNAN |
| PROVINCE,P.R.CHINA 417000 |
| Phone: 0086-738-8261060 |
| Fax: 0086-738-8261062 |
| Mobile : 0086-13707380851 |
| Email: lsj988@188.com |
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38-44mm |
| 1 1/2"-1 3/4" |
D |
70% of Height |
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| (1)Soft Rock (Tensile Strength: < 60kg/cm 2 : 85psi) |
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| (2)Middle Hard Rock (Tensile Strength: 60-100kg/cm 2 : 80-140psi) |
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| (3) Hard Rock (Tensile Strength: > 100kg/cm 2 : 140psi) |
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