1. Health and safety: outsourcing workshops can provide stricter control measures and operation specifications to ensure the health and safety in the production process, but there are uncertain factors in the production process of outsourcing workshops, which makes it difficult to ensure the safety and health in the production process.
2. Production demand: the production plan of the internal workshop can be flexibly adjusted according to the change of production demand to meet the market demand, while the production plan of the outsourcing workshop is affected by external factors, which makes it difficult to meet the change of production demand.