... grade crystals2. stone size:3mm,4mm,6mm3. size of per sheet: 11.8cm width and 10yards length4. ... , gold, black, black nickel and antique copper5. color of stones: crystal, topaz, jonquil, siam, emerlad etc.6 ... us: Our company is committed to the development of the industry for many years, with advanced technology ... you hand in hand. I hope the majority of buyers can come visit and tour company, your ...