5.交货方式，包装运输等方面的要求

In order to improve service quality and response speed, please provide the following information when requesting a quotation.

1. Provide complete drawings.

   Product material, tolerance, machined and non-machined surfaces, surface roughness, machining and measuring standards, heat treatment surfaces and heat treatment requirements, etc.

2. Key dimensions and important surfaces that need special attention.

3. Testing items and inspection report requirements.

4. Order batch and annual demand

5. Delivery mode, packaging and transportation requirements.