Shenyang Jiayu Tools Co., Ltd., with over 20 years of experience, integrates research and development with production. Since its establishment, the company has been committed to product research and development. With the efforts of numerous technical staff, it has successively developed, researched, and refined more than a dozen new products.

Our company has production lines for large diameter precision π rulers and small diameter precision π rulers, as well as a professional inspection line.
We have developed and manufactured new products such as rubber sealing ring calipers, precision circumference gauges, flexible rulers, tape measure calipers, pipe wall thickness gauges, small torque wrenches, wedge gauges, and more. Additionally, our company produces various scales and boring machine compatible scales, and undertakes various line pattern processing. We are a professional research and development enterprise focusing on the production of customized measuring tools.
The company specializes in the development and production of several major product categories: Precision Series (π) Ruler Products, Wedge-Type Ruler Series, Face Difference Gap Ruler Series, Automotive Industry Measuring Tools Series, Length Ruler Series, and Flexible Micrometer Series.

Mipai (π) series rulers, further categorized into: Strip rulers, Perforated rulers, Wire and Cable rulers, Plastic rulers, Transformer rulers, Circumference rulers, Measuring tape-style rulers, Circular diameter rulers, Flexible rulers, Notched rulers.

Tapered(Shaped) Gauge Series further divided into: Gap Gauges, Conical Hole Gauges = Combination Gauges, Bevel Gauge with Vernier, Digital Display Gauges, Bevel Gauges;

Length rulers are further categorized into: Standard Steel Ruler, Equipment Ruler, Adhesive Ruler, T68 Ruler, Casting Ruler, Casting Ruler Roll, Stainless Steel Ruler, Precision Circumference Ruler, Circumference Ruler Roll, Tube Thickness Gauge, Flexible Caliper.

Automotive industry measurement tools series further categorized: Flatness Gauge, Digital Flatness Gauge, Flatness Gap Gauge, Octagonal Gauge, Hexagonal Gauge, Four-Sided Flatness Gauge, Four-Sided Gap Gauge, Disc Gap Gauge, Nine-Claw Gauge, Folding Gap Gauge, Horn Gauge, Torque Wrench.

        公司技术工艺，具备了替代进口同类产品，批量出口市场的能力。是我所的主导产品，现已销往全国20多个省市和地区（包括台湾），深受用户的信任。其中许多国家企业、企业、行业企业是我所多年的合作伙伴。