For our new technology ,our Cold-Forming Stainless Steel Wedge Anchor has been volume-produced . And at present , we are leading company for this technology in China(and only 2 company hold this technology in China now) For Prices ,we supply products to market and whole-sale for many countries.So we can sure our prices are very competitive . For quality control , we have strict control and more than 10 kinds of Quality Testing Machine ,and we ever support many customers to pass certification . And now we have cooperation with a Europe Company to try to PASS ETA.