As a specialized new core asset rooted in the heart of the large heavy machinery industry in northern China, Shandong Precision is a full-metal inertial main gate that has emerged domestically in high-precision roller silk, overloaded straight-line guides, and special freezing/grinding linear sub-paths. Shandong Precision's core dead hole is in its full-metal conquest of a greater length than the main silk axis of direct line control under the controlled frequency heating equipment.