XY002-1 security seals Product Description: This product is pure lead material internal, external aluminum box pressure made by electroplating, surface color color, features: a total of four hole, convex, 15x7mm printing: stamping or laser marking on the company logo or name, serial number ( up to 8 digits) colors are red, yellow, blue Bai Liu, green, black, color, can also be based on customer requirements into other colors, applied to the ammeter, water meter, post bags, ordnance sealing, instrumentation, power supply, gas supply, water supply, military, petroleum, chemical, mining, transportation, postal, customs, finance, railway container, foreign trade commodity inspection, transportation products processing, and product inspection, packaging barrels packaging, energy metering, prevent theft blabbing seal etc..