昆山长野超硬合金有限公司是一家专业的超硬合金研发制造企业, 专业生产模具工具行业用超硬合金材料，其技术团队由日本的硬质合金专家构成。昆山长野超硬合金有限公司之宗旨，在于为中国用户提供真正国际水准的超硬合金素材。为此，长野选用优质的原材料，通过CIP和HIP等工艺，遵循严格的检验标准，确保每一件产品具备无孔隙，有效消除内应力，耐腐蚀，高冲击性和高疲劳强度等优点，产品质量处于日本先进水平。

"GREATLOY is a Sino-Japanese joint venture which specialized in the researching, developing and manufacturing of high quality tungsten carbide for mining, engineering and construction industry. With the strong technical team which consists of the highest-level carbide experts from Japan, GREATLOY dedicates to supplying world-leading carbide materials for customers all around the world. Based on the latest PM theory & latest facilities, our advanced manufacturing technology starts from the selection of the premium quality powder to highest-level of sintering. Today GREATLOY supplies wide ranges of products include mining buttons, drilling plates, tunnel boring inserts, scrapers, special plates to meet various demands for geological mining, exploration, pavement engineering and tunnel boring with soonest delivery. "