1) Product name: stainless steel chain 2) Material: 316L/304 stainless steel 3) line by :To map to OEM4) minimum quantity: 100 meters 5) Treatment: electroplating, polishing6）Our chain didn’t contain nickle and cead。

1) Product name: stainless steel chain 2) Material: 316L/304 stainless steel 3) line by :To map to OEM4) minimum quantity: 100 meters 5) Treatment: electroplating, polishing6）Our chain didn’t contain nickle and cead。

1) Product name: stainless steel chain 2) Material: 316L/304 stainless steel 3) line by :To map to OEM4) minimum quantity: 100 meters 5) Treatment: electroplating, polishing6）Our chain didn’t contain nickle and cead。

hot selling products with good quality and favorable price

CR39 Round Top / Flat Top / Blended Top (Invisible) Bifocal LensesFinished lenses:a) Nd: 1.499b) Blank diameter: 70mm, 65mmc) Segment size: 28mmd) Power range: Sph: 0.00 ~ -2.00 / Add: +1.00 ~ +3.00 in 0.25DSph: 0.00 ~ +3.00/ Add: +1.00 ~ +3.00 in 0.25DSe

1) Refractive index: 1.562) Abbe value: 423) Specific gravity:1.154) Transmittance: more than 97%5) 100% UV protection, radiation protection6) Power range:Diameter: 70mm SPH: 0.00~-10.00SPH: 0.00~-8.00 / CYL: -0.25~-2.00RX Power Range: CYL: -2.25~-4.007)

1) Nd=1.70, super slice, UV320nm2) Consistency: 3.08g/cm33) Abbe value: 35, Transmission: 90.6%4) Design: Spheric / AsphericLighter, slim and particular suitable for high minus lens5) Diameter: 65mm6) Range of power: a) SPH: -0.00 to -20.00b) SPH: -0.00

1) Base: 600, 8002) Color: Brown, G15, Grey3) Diameter: 65mm / 70mm4) Polarized film from Japan5) Center Thickness: 2.0mm6) Cutting shape is available7) Coating: Multi coated / Multi coated with UV4008) Both finished and semi finished

1) Material: 1.523 mineral glass2) Round Shape / Flat Top bifocal lenses3) Color: White, Photo brown, Photo grey4) Diameter/Segment: 65/28mm5) Finished Lenses Power:Sph: -2.00 to +3.00, Add +1.00 to +3.006) Uncoated, Multi-coated(AR), AR&EMI treatment ava

1) Refractive index ND: 1.5232) Consistency: 2.64g/cm33) Transmittance: 82.6%, UV320nm4) PBX(Photo brown) and PGX(photo grey)5) Diameter: 65mm/60mm6) Finished lenses power range:Sph: 0.00 ~ -6.00 / Cyl: 0.00 ~ -4.00Sph: 0.00 ~ +6.00 / Cyl: 0.00 ~ -4.007)