Quality, environmental and occupational health & safety management systems, registered trademark, business registration and customs registration.
Management system certifications
Our management systems are certified by Beijing ZHONGRUI Unite Certification Co., Ltd. Certificate copies are available on request.
ISO 9001:2015 — Quality management systems
Registration No.
BRC24Q10029R0S
Date of registration
2024-01-15
Valid until
2027-01-14
Certified scope
Manufacturing and sales of fasteners, photovoltaic accessories, power rail accessories, and embedded parts
ISO 14001:2015 — Environmental management systems
Registration No.
BRC24E10029R0S
Date of registration
2024-01-15
Valid until
2027-01-14
Certified scope
Environmental management activities related to the manufacturing and sales of fasteners, photovoltaic accessories, power rail accessories, and embedded parts
ISO 45001:2018 — Occupational health and safety management systems
Registration No.
BRC24S10029R0S
Date of registration
2024-01-15
Valid until
2027-01-14
Certified scope
Occupational health and safety management activities related to the manufacturing and sales of fasteners, photovoltaic accessories, power rail accessories, and embedded parts
Registered trademark
Mark
隆泽 (Longze)
Registration No.
55279729
Class
Nice Class 6 — metal washers; metal bolts; pins (hardware); nails; metal nuts; metal scaffolding couplers
Registered
2022-02-07
Valid until
2032-02-06
Issued by
China National Intellectual Property Administration
👋 Hi! I'm the Longze Engineering Assistant. You can ask:
• What's the difference between DIN 933 and DIN 931 M8 bolts?
• How much does DIN 933 M8 10.9 zinc plated cost?
• Is A4-80 stainless steel equivalent to 316?
• What's the tap drill size for M6 hot-dip galvanized nut?