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PRODUCTS
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GYX-M21A-1 Back Stretching Device
GYX-M21A-1 Back Stretching Device
[Dimensions]: 672×522×927 mm
[Safe Operating Range]: 2700×3600 (mm)
[Instructions for Use]:
1. Grasp the handrails firmly with both hands and lean back against the curved backrest, then slowly bend backward to fully stretch your lower back and abdomen.
2. The exerciser sits on the back extension machine, grasps the handles firmly with both hands, simultaneously pushes up with both arms to lift the body, and raises both legs to a straight position, holding for a few seconds.
3. Grip the bar with both hands and perform inclined push-ups.
[Key Benefits]: Stretches the hip joints and relaxes the muscles of the lower back; strengthens upper-body support and core stability.
Category:
Product Description
◆ Directly buried type: the main upright posts are made of standard rectangular galvanized steel tubing measuring 120 mm × 80 mm with a wall thickness of 3 mm, and both sides of the posts are equipped with… Use plug‑in aluminum alloy profiles combined with wood‑plastic composite profiles; the overall external dimensions of the uprights shall be no less than 120 mm × 120 mm.
◆ The handrail bends are fabricated from national-standard steel tubing with a diameter of 42 mm and a wall thickness of 2.5 mm.
◆ The main frame’s support tubes are made of 40×80×2 mm square tubing to prevent users from getting caught and injured.
◆ The equipment panel is fabricated from 1.8 mm-thick cold-rolled steel sheet, with both sides fully enclosed by 1.8 mm-thick cold-rolled steel to prevent injury from clamps.
◆ The equipment nameplate is made entirely of stainless steel, secured with pull rivets, and its edges are tightly fitted against the upright posts to prevent snagging, scratching, and other potential damage.
◆ The equipment has undergone relevant static load and strength load tests in accordance with the GB 19272-2024 standard and complies with the standard’s requirements.
◆ The entire machine has no snagging, crushing points, shearing points, or pinching hazards; all apertures and gaps comply with GB 19272-2024. Standard;
◆ The equipment features a one‑stop exercise station, allowing a single user to operate it simultaneously.
◆ The embedding depth of the equipment upright shall be no less than 400 mm, and the underground dimensions shall be no less than 400 × 400 × 500 mm.
◆ The components are cut using a laser cutting machine, ensuring high efficiency and precise positioning. The pipe-bending process employs a CNC pipe-bending machine, with angles… Accurate dimensions and aesthetically pleasing appearance; prior to welding, the components undergo degreasing to ensure that no oil or contaminants remain on the workpiece surface. Welding is performed using a CO₂ shielded arc welding machine with a mixed gas, resulting in aesthetically pleasing welds and straight, smooth weld beads that require no post-weld grinding. It is also equipped with a dust collection and treatment system to purify the workshop air, ensuring workers’ health. Surface treatment is carried out using blasting. The finishing process ensures thorough rust removal, enhancing the adhesion of the plastic powder coating. Electrostatic spraying employs a two‑coat application: an epoxy zinc‑rich primer is applied first, followed by a green‑friendly, environmentally compliant electrostatic powder coat on the exterior surface. Equipped with imported electrostatic spray equipment, the system delivers uniform powder distribution and strong coating adhesion. The resulting finish is resistant to acids and alkalis, withstands humid‑heat conditions, resists aging, and maintains an attractive appearance—making it ideal for humid climates and areas prone to acid rain. The coating formulation contains no toxic elements, and a cyclonic centrifugal powder recovery system achieves a recovery rate of up to 98.6%, reducing material waste and minimizing dust pollution while ensuring ease of operation and energy efficiency.
◆ The equipment is packaged in a double-layer system, effectively preventing impacts during transit and ensuring the equipment remains undamaged.
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Add：Sanhe Economic and Technological Development Zone, 50 km east of Jianguomen, Beijing
Tel：+86-316-3722333 +86-316-3722971
Fax：+86-316-37233038
E-mail：shguiyuxingty@sina.com
