Company Certifications
Method for preparing crushed fragments of sodium silicates
Liquid anhydrous silicate
Sulfur-containing composition
Liquid anhydrous silicate
Sulfur-containing composition for agricultural material
ISO 9001 (kr)
ISO 9001 (en)
ISO 14001 (kr)
ISO 14001 (en)
ISO 45001 (kr)
ISO 45001 (en)
Certificate of trademark registration (HWANG OBOKI)
Certificate of trademark registration (OBOKI)
Certificate of trademark registration (KOSI)
Certificate of R&D department
Certificate of fertilizer manufacturing business registration
Certificate of designation for an excellent company
Mainbiz
Certificate of startup company
Certificate of Ppuri enterprise
Certificate of specialized enterprise for materials, components, and equipment
Certificate of venture enterprise
Certificate of product-specific approved exporter
Certificate of product-specific approved exporter