. Harbin Hong Qiang Seals Factory is a specialized manufacturer of medicine package and various plastic containers. Our products include vial seals, center tear out, tear off, flip off, flip tear off seals, pharmacy supply, pharmacy vials, pharmacy filters, sterile filters, sterile vials, sterile filtration, serum vials, sterile vials, vial seals, pharmacy vials, pharmacy packaging, pharmaceutical packaging, sterile vial seals, bottle filters, sterile filtration, pharmaceutical supplies, and pharmaceutical vials etc.