Basically Chinese government has leant quite a lot from past experience. They don't like low level duplication. They like more Chinese companies be able to do different, from design, implementation, integration and deployment, from raw material, parts, modules to final products.
May be that's something related to Chinese government policy
Basically Chinese government has leant quite a lot from past experience. They don't like low level duplication. They like more Chinese companies be able to do different, from design, implementation, integration and deployment, from raw material, parts, modules to final products.