I taught them well .. 
Dear Sir,
Glad to learn your are on the market of ER collets produts.
We have our own factory. We have 160 workers and 8 inspectors. Our old engineers have about 30 years experience in these area.
We established an independent commercial company in 2003. We have 12 sales. Ourproducts have been approved by many countries including German, Turkey, Brazil，Italy, England, American, India and so on.
Our main products cover ER collets,ER collet chuck,ER nut,pull stud and so on…
There are some technology standard for ER collets(ER8-ER50)as follows for your reference.
1. All types of ER collets conform to the DIN 6499B Standard
2. The accuracy :0.005-0.015mm
3. The Material :quality spring steel 65Mn
4. The Hardness: HRC44-48
If any product meed your deman,please feel free to contact us,Catalog samples can be offered if price content.
We are sure your any inquiry or requirement will get prompt attention.
With Best Regards.
Teresa
Dezhou Haotian Imp Exp Co., Ltd.
Add: 6,GongqingtuanRoad,PingyuanCounty,ShandongProvince,China
2014/9/13 9:25:05 33905.04
