• GOST CERTIFICATE(4)
    • GOST CERTIFICATE(3)
    • GOST CERTIFICATE(2)
    • GOST CERTIFICATE(1)
    • Changsha Innovative Company
    • Hunan Province New Materials Enterprise
    • Technology Innovation Awards
    • First Prize of China Machinery Industry Science an...
    • High-tech Enterprise Certificate
    • Hunan Province Science and Technology Progress Awa...
    • ISO9000 Quality Management System Certification
    • National Key Environmental Protection Practical Te...
    • National Key New Products
    • Second Prize of State Technology Invention Award
    • The tungsten alloy electroplating technology won t...
    • National Key New Product
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