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Custom Hand Gripper Manufacturing: PP + TPE Injection Molding for Fitness Products

  • avatar Maifeng Precision Team
  • 28th 9 月 2026

A custom hand gripper looks simple, but reliable production depends on material selection, ergonomic structure, mold design and stable injection molding. For OEM fitness products, PP can provide the main structure while TPE improves grip comfort and non-slip handling.

Adjustable black hand gripper for grip strength training
Adjustable hand gripper for portable strength training.

Key Manufacturing Points

Before tooling, the product team should confirm resistance range, handle thickness, surface texture, spring location, adjustment knob, wall thickness, draft angle and parting line. These details affect filling, shrinkage, ejection, assembly and user feel.

Professional adjustable hand gripper with ergonomic handle and spring
Ergonomic handle design and adjustment structure should be reviewed together.

Mold Trial and Production

During mold trial, Maifeng Precision checks surface finish, deformation, edge quality, movement clearance and assembly fit. Stable process parameters help keep appearance and grip feel consistent in batch production.

Video review of the hand gripper appearance and handling details.

Useful project information includes drawings, 3D files, samples, target resistance range, PP/TPE hardness, color, texture, order volume, assembly and packaging needs.

Company Profile

Kunshan Maifeng Precision factory

Kunshan Maifeng Precision Industry Co., Ltd. (MIF) has RMB 35 million investment, a 5,000 m²+ factory, 36 injection molding machines from 90 to 700 tons, 50+ mold processing equipment sets and a team of 100+ people. Since 2008, we have supported product design, mold design, mold manufacturing, injection molding and product assembly for custom plastic parts.
Maifeng Precision production team
Production Team
Maifeng Precision service team
Service Team
Maifeng Precision design team
Design Team
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Maifeng Precision Team
Engineering and manufacturing specialists at Kunshan Maifeng Precision, sharing practical insights on custom injection molds, plastic part design and production.
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