LIH manufactures reliable air tools for mold, automotive, finishing and precision industries, with careful service and consistent quality since 1987.
Over 70 pneumatic tool models built for molds, automotive parts, fine finishing, robotic systems and precision manufacturing.
High-speed pneumatic pencil die grinder series reaching up to 80,000 RPM. Specifically designed for precision mold finishing and micro-deburring. Features ergonomic designs, including ultra-lightweight models (82g) and premium versions with German GRW bearings for consistent, high-precision performance.
High-torque pneumatic die grinder with 6mm collet. Engineered for heavy-duty grinding and precision finishing in automotive and mold industries. Available in extended neck models (up to 280mm) for deep-reach applications.
High-performance piston pneumatic lapper with a stable reciprocating stroke. Perfect for precision mold polishing and finishing. Features a lightweight, ergonomic design compatible with diamond files and abrasive stones for efficient material removal.
A comprehensive series featuring high-frequency turbine and high-torque vane motor technologies. Engineered for precision mold finishing and intricate deburring, these tools offer stroke lengths from 0.15mm to 1.2mm with superior vibration damping.

Oscillating motion for uniform finishes. Designed for polishing flat and curved surfaces in industrial manufacturing.
High-performance pistol-grip air sanders and filers for heavy-duty industrial finishing. Featuring both reciprocating linear motion and powerful swing (orbital) trajectories. Ergonomically balanced to reduce operator fatigue while delivering consistent results on metal, stone, and wood.
Not sure which model fits? Filter our full range by type, application and weight to find the right pneumatic tool for your work.
Professional manufacturing, careful service, assured quality and long-term customer relationships
High-grade bearings and wear-resistant parts support low vibration, long service life and stable output.
In-house design and manufacturing since 1987, backed by the discipline and pride of Taiwanese production.
Pneumatic motors up to 70,000 RPM for maximum precision in mold work and industrial finishing.
Careful parts selection, stable assembly habits and inspection awareness help each tool perform reliably.
We clarify application, material, speed and accessory needs before helping customers choose suitable models.
Distributors, importers and factories receive practical support for quotation, supply and ongoing product questions.
Founded in Taiwan in 1987, LIH Pneumatic is the air tool brand of Power Perfect Co., Ltd. The company focuses on pneumatic grinding and finishing tools for professional B2B customers.
Our role is simple: manufacture dependable tools, support practical model selection, and maintain long-term cooperation with distributors, importers and factories.
Direct answers about our products and services.