
Weihai BSL Engineering Machinery Co., Ltd. is a high-tech innovative enterprise specialized in the R&D and production of hydraulic systems, hydraulic swing motors, and core products – spiral swing cylinders. With a complete quality management system certification, we are committed to providing reliable, high-performance hydraulic solutions for global industrial clients.
Our flagship product, the spiral swing cylinder, boasts outstanding advantages: compact size, large output torque, high precision, and accurate rotation angle control. These features make it widely applicable in diverse fields, including construction machinery, building machinery, mining machinery, special vehicles, shipbuilding industry, and underwater robots.
Driven by innovation, we adhere to strict quality standards throughout the R&D and production process. Our hydraulic systems and swing motors are engineered to meet the rigorous requirements of heavy-duty industrial operations, delivering stable performance, long service life, and excellent adaptability to complex working environments.
Whether you need standard products or customized hydraulic solutions tailored to specific applications, BSL has the technical capability and industry experience to meet your needs. We strive to be your trusted partner in hydraulic technology, empowering your equipment with efficiency and reliability.
