孟加拉采购需求：阀门齿轮箱、离合齿轮箱、齿轮传动装置、蜗轮蜗杆、苏格兰轭式执行器、线性活塞执行器

We are looking to procure 2 sets of gearboxes specifically designed for the discharge chamber of an outfall pumping station. The gear set specifications include a worm module with a specific pitch circle diameter, and a corresponding worm gear with designated tooth counts. The gearbox should be constructed from various materials such as cast iron, structural steel, and stainless steel for specific components. Additionally, we need high-quality bearings and seals to ensure optimal performance. Please provide your best pricing and lead times for this request.