Shecsa S.A.

Boron carbide, also known as Black Diamond (B4C), is one of the hardest materials, used in armor, bulletproof vests, and industries, with a Mohs hardness of 9.3.

Beijing Longtian Taolue Technology specializes in analytical testing instrument accessories, offering R&D, production, sales, and service.

KACO GmbH + Co. KG is a leading developer and manufacturer of high-precision sealing solutions for automotive and mechanical sectors.