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🏭 Chengdu Tunnel Engineering Fastener Co., Ltd.

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πŸ“ Location Sichuan
🏒 Address Chengdu, Sichuan, China
πŸ“… Established 2007
πŸ‘₯ Employees 280
βš™οΈ Capacity Annual 15,000 tons
πŸ… Certifications ISO9001, ISO14001, CE
πŸ“§ Send Inquiry 🌐 Visit Website

🏒 Company Profile

Specialist in tunnel and underground construction fasteners, serving the growing infrastructure needs of western China.

πŸ“¦ Product Portfolio

Hex Head Bolts

Primary
Bolts

Tunnel construction bolts

πŸ“‹ GB/T 5782, DIN 931, ISO 4014
πŸ”§ Carbon Steel, Stainless Steel
⚑ Grade: 4.8-12.9

High-Strength Bolts

Primary
Bolts

High-strength tunnel fasteners

πŸ“‹ GB/T 1228, ASTM A325
πŸ”§ 40Cr, 35CrMo
⚑ Grade: 8.8-12.9

Anchor Bolts

Bolts

Anchor bolts for tunnel lining

πŸ“‹ GB/T 799
πŸ”§ Q235, 45# Steel
⚑ Grade: 4.8-8.8

Expansion Anchor Bolts

Bolts

Expansion anchor bolts for concrete

πŸ“‹ GB/T 22795, DIN 7993
πŸ”§ Carbon Steel, Stainless Steel
⚑ Grade: 4.8-8.8

🏭 Industry Applications

πŸ—οΈ Construction πŸš„ Rail Transit πŸš‡ Tunnel Engineering πŸ€– Industrial Robotics

πŸ“§ Contact Information

πŸ‘€ Contact Person Hong Zhang
πŸ“§ Email sales@cd-tunnel.com
πŸ“ž Phone +86-28-86558888
🌐 Website http://www.cd-tunnel.com
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