SGZ new zinc plate basic description

(1:13)

SGZ zinc plate etching

(5:42)

SGZ Photoengraving Zinc Plate etching video

(6:42)

bulk production SGZ zinc plate

(15)

Dry Test for Uncoated SGZ zinc plate

(2:35)

SGZ Etching machine for zinc plates and magnesium plates

(25)

SGZ Zinc Plate, with new Golden painting on the back side

(43)

very good blue coating for SGZ zinc plate

(25)

SGZ Coated Magnesium Plate etching video

(5:32)

SGZ zinc plates, good quality, good business!! container loading almost every week!!!

(11)

SGZ coating process, BEST quality

(14)

Quality Etching Zinc Plate

(30)

Cutting and Beveling a Zinc Plate

(13:57)

Chemical etching machine

(31)

SGZ Magnesium Plate Etching Video

(6:28)

Die Cast - Identifying Zinc VS Aluminum For Casting or Scrapping

(7:43)

SGZ Newly designed box for coated magnesium plate

(27)