Best Precision贝斯特

About

Precision machining company listed on ChiNext (300580.SZ). Subsidiary Yuhua Precision specializes in linear motion components. Self-developed planetary roller screws for humanoid robots (announced Apr 2025). Micro screws for dexterous hands achieve G5-grade precision (23μm lead error per 315mm). Key customers include UBTECH (co-developing dexterous hand micro screws) and AgiBot (linear guides, planetary roller screws, linear actuators, 6-axis sensor support). Thailand factory opened Oct 2025. Market rumors of Tesla/Huawei supply chain entry (unconfirmed).

Wuxi, Jiangsu · Founded 1997

Why in the Index

Precision components for turbochargers and EV powertrains. Humanoid component development.

PAI exposure of 60% reflects the share of trailing-twelve-month revenue attributed to Physical AI activities. See methodology §4 for inclusion criteria and §6 for how PAI exposure scales the weight.

Key Physical AI activities

• Planetary Roller ScrewsSelf-developed for humanoid robot linear actuators. Announced Apr 2025 via subsidiary Yuhua Precision.
• Micro Screws for Dexterous HandsG5-grade precision (23μm lead error per 315mm). Co-developed with UBTECH for dexterous hand applications.
• Ball ScrewsHigh-precision positioning components.
• Linear GuidesPrecision linear guidance. Supplied to AgiBot.

Milestones

• 1997—Founded in Wuxi
• 2016—IPO on ChiNext (300580.SZ)
• 2023-H2—Self-developed planetary roller screw for humanoid robots
• 2025-04—Announced Yuhua Precision successfully developed humanoid robot planetary roller screw
• 2025-10—Thailand factory officially opened
• 2026—Considering further overseas investment including Thailand expansion

Competitive position

UBTECH and AgiBot confirmed customers. G5-grade micro screw precision is strong spec for dexterous hands. Thailand factory operational (Oct 2025). Tesla/Huawei supply chain entry = market rumor only.

Recent activity