Double helix hole circular rod _40 degrees

XIAMEN YURUI TUNGSTEN STEEL TOOLS CO. LTD    

QQ：89210657
Tel：86-592-6373655      
Fax：86-592-6373677   
Zip code：361106
Email：xmyrcc@yrcc.com.cn 
Web：Http://www.yrcc.com.cn  
Add：No. 2-8, biyun north road, stone industry zone, hongtang town, tongan district, xiamen