Jiangsu Profile
Product List
129571. Anti Rust Bonnell Coil Spring Unit for Bed Mattress 
[Jun 23, 2026]
[Jun 23, 2026] Mattress Bonnell Spring Unit High Toughness Tough high carbon steel resists bending and fatigue. High Rebound Rate Springs snap back fast, no slow recovery or dead spots. Good Load Bearing Large upper/lower diameter ...
Company: Nanjing Genmax Machinery Co., Ltd.
129572. Bonnell Coil Spring Unit for Sofa Bed and Mattress [Jun 23, 2026]
[Jun 23, 2026] Mattress Bonnell Spring Unit High Toughness Tough high carbon steel resists bending and fatigue. High Rebound Rate Springs snap back fast, no slow recovery or dead spots. Good Load Bearing Large upper/lower diameter ...
Company: Nanjing Genmax Machinery Co., Ltd.
129573. Soft Hard Optional Bonnell Coil Spring Mattress Unit 2026 [Jun 23, 2026]
[Jun 23, 2026] Mattress Bonnell Spring Unit High Toughness Tough high carbon steel resists bending and fatigue. High Rebound Rate Springs snap back fast, no slow recovery or dead spots. Good Load Bearing Large upper/lower diameter ...
Company: Nanjing Genmax Machinery Co., Ltd.
129574. Reinforced Border Wire Bonnell Spring Innerspring Unit [Jun 23, 2026]
[Jun 23, 2026] Mattress Bonnell Spring Unit High Toughness Tough high carbon steel resists bending and fatigue. High Rebound Rate Springs snap back fast, no slow recovery or dead spots. Good Load Bearing Large upper/lower diameter ...
Company: Nanjing Genmax Machinery Co., Ltd.
129575. Hourglass-Shaped Open Coil Bonnell Spring Mattress Unit [Jun 23, 2026]
[Jun 23, 2026] Mattress Bonnell Spring Unit High Toughness Tough high carbon steel resists bending and fatigue. High Rebound Rate Springs snap back fast, no slow recovery or dead spots. Good Load Bearing Large upper/lower diameter ...
Company: Nanjing Genmax Machinery Co., Ltd.
129576. Wire Coil Bonnell Spring Unit with Firmer Perimeter Coils [Jun 23, 2026]
[Jun 23, 2026] Mattress Bonnell Spring Unit High Toughness Tough high carbon steel resists bending and fatigue. High Rebound Rate Springs snap back fast, no slow recovery or dead spots. Good Load Bearing Large upper/lower diameter ...
Company: Nanjing Genmax Machinery Co., Ltd.
129577. Bonnell Coil Spring Unit for Spring Mattress Good Quality 2026 [Jun 23, 2026]
[Jun 23, 2026] Mattress Bonnell Spring Unit High Toughness Tough high carbon steel resists bending and fatigue. High Rebound Rate Springs snap back fast, no slow recovery or dead spots. Good Load Bearing Large upper/lower diameter ...
Company: Nanjing Genmax Machinery Co., Ltd.
129578. Heat Treated Bonnell Spring Innerspring Mattress Core [Jun 23, 2026]
[Jun 23, 2026] Mattress Bonnell Spring Unit High Toughness Tough high carbon steel resists bending and fatigue. High Rebound Rate Springs snap back fast, no slow recovery or dead spots. Good Load Bearing Large upper/lower diameter ...
Company: Nanjing Genmax Machinery Co., Ltd.
129579. Customized Gauge Bonnell Spring Innerspring Coil Unit [Jun 23, 2026]
[Jun 23, 2026] Mattress Bonnell Spring Unit High Toughness Tough high carbon steel resists bending and fatigue. High Rebound Rate Springs snap back fast, no slow recovery or dead spots. Good Load Bearing Large upper/lower diameter ...
Company: Nanjing Genmax Machinery Co., Ltd.
129580. Bonnell Spring Innerspring Mattress Unit Roll Packed [Jun 23, 2026]
[Jun 23, 2026] Mattress Bonnell Spring Unit High Toughness Tough high carbon steel resists bending and fatigue. High Rebound Rate Springs snap back fast, no slow recovery or dead spots. Good Load Bearing Large upper/lower diameter ...
Company: Nanjing Genmax Machinery Co., Ltd.
129581. Round to Square Tube Mill for Advanced Pipe Production Techniques [Jun 21, 2026]
[Jun 21, 2026] Product Description Round to Square ERW Tube Mill without change rolls (Support customization) Model Round Pipe Square & Rectangular Pipe OD/mm Thickness/mm Size/mm Thinckness/mm ZQF127 ø40-ø127 1.0-6.0 30x30-100x100 ...
129582. High Frequency Welding Pipe Production with Round to Square Mill [Jun 21, 2026]
[Jun 21, 2026] Product Description Round to Square ERW Tube Mill without change rolls (Support customization) Model Round Pipe Square & Rectangular Pipe OD/mm Thickness/mm Size/mm Thinckness/mm ZQF127 ø40-ø127 1.0-6.0 30x30-100x100 ...
129583. Comprehensive Pipe Production Line with Round to Square Tube Mill [Jun 21, 2026]
[Jun 21, 2026] Product Description Round to Square ERW Tube Mill without change rolls (Support customization) Model Round Pipe Square & Rectangular Pipe OD/mm Thickness/mm Size/mm Thinckness/mm ZQF127 ø40-ø127 1.0-6.0 30x30-100x100 ...
129584. High Frequency Welding Technology in Round to Square Tube Mill [Jun 21, 2026]
[Jun 21, 2026] Product Description Round to Square ERW Tube Mill without change rolls (Support customization) Model Round Pipe Square & Rectangular Pipe OD/mm Thickness/mm Size/mm Thinckness/mm ZQF127 ø40-ø127 1.0-6.0 30x30-100x100 ...
129585. Round to Square Tube Mill for Streamlined Pipe Production Line [Jun 21, 2026]
[Jun 21, 2026] Product Description Round to Square ERW Tube Mill without change rolls (Support customization) Model Round Pipe Square & Rectangular Pipe OD/mm Thickness/mm Size/mm Thinckness/mm ZQF127 ø40-ø127 1.0-6.0 30x30-100x100 ...
