HENAN ZHECHENG XIN DA DIAMONDTOOLS CO., LTD was set up in 2000; through 6 years' development, it has already become a hi-tech enterprise which incorporates scientific research, the production...

Henan zhengzhou xinda diamond tools co., ltd was set up in 2000. Through 6 years' development, it has already become a hi-tech enterprise which incorporates scientific research, the productio...

Diamond Flexible Polishing Pads...