This patented product utilizes high-strength alloy steel with 16Mn as the workpiece body, providing excellent tensile and yield strength along with superior welding performance. The supporting flange-type bushing is manufactured from high-quality 40Cr alloy steel raw materials. Through advanced forging processes and heat treatment technology, the product achieves high hardness, exceptional wear resistance, good flexibility, and impact resistance. This practical patented product offers outstanding cost-effectiveness with one-time replacement for lifetime use.

Jinan Sennai Intelligent Technology Co., Ltd. is an integrated industry and trade enterprise specializing in the professional production of self-lubricating bearings and construction machinery pins and bushings, combining scientific research, production, sales, and service. With 20 years of industry experience and global sales channels, we provide support services for many renowned construction machinery and equipment manufacturers worldwide and offer OEM/ODM services for nearly 100 trading companies annually.

The company operates from a 33,000 square meter facility equipped with more than 260 sets of advanced production equipment, including finishing rolling pipe production lines, forging production lines, CNC automatic processing production lines, full-process heat treatment equipment, high-precision grinding equipment, and comprehensive physical/chemical analysis and detection capabilities.

• How long can I get samples for checking and what about the price?
  Samples are typically completed within 1-2 days for automatic machining parts or 3-5 days for CNC machining parts. Sample cost depends on specifications (size, material, finish, etc.). We refund sample costs when order quantities are substantial.
• How is the warranty of the products quality control?
  We maintain stringent quality control from beginning to end, aiming for 100% error-free products.
• How to get an accurate quotation?
  Provide drawings, photos, or samples of products with detailed sizes, material specifications, surface treatment requirements, and ordinary purchasing quantity.