A worker of Dalian Kede Numerical Control Co., Ltd adjusts equipment in the workshop in Dalian, northeast China's Liaoning Province, on April 7, 2020. Since the comprehensive resumption of production, private manufacturing enterprises in Dalian have been operating at a full capacity to recover production in an orderly manner. (Xinhua/Yao Jianfeng)

A worker of Dalian Kede Numerical Control Co., Ltd assembles a product in the workshop in Dalian, northeast China's Liaoning Province, on April 7, 2020. Since the comprehensive resumption of production, private manufacturing enterprises in Dalian have been operating at a full capacity to recover production in an orderly manner. (Xinhua/Yao Jianfeng)

Workers of Dalian Kede Numerical Control Co., Ltd assemble a product in the workshop in Dalian, northeast China's Liaoning Province, on April 7, 2020. Since the comprehensive resumption of production, private manufacturing enterprises in Dalian have been operating at a full capacity to recover production in an orderly manner. (Xinhua/Yao Jianfeng)

A worker of Dalian Kede Numerical Control Co., Ltd assembles a product in the workshop in Dalian, northeast China's Liaoning Province, on April 7, 2020. Since the comprehensive resumption of production, private manufacturing enterprises in Dalian have been operating at a full capacity to recover production in an orderly manner. (Xinhua/Yao Jianfeng)

A worker of Dalian Kede Numerical Control Co., Ltd adjusts equipment in the workshop in Dalian, northeast China's Liaoning Province, on April 7, 2020. Since the comprehensive resumption of production, private manufacturing enterprises in Dalian have been operating at a full capacity to recover production in an orderly manner. (Xinhua/Yao Jianfeng)

A worker of Dalian Changzhilin Science and Technology Development Co., Ltd checks packaged products in the workshop in Dalian, northeast China's Liaoning Province, on April 7, 2020. Since the comprehensive resumption of production, private manufacturing enterprises in Dalian have been operating at a full capacity to recover production in an orderly manner. (Xinhua/Yao Jianfeng)

A worker of Changzhilin Science and Technology Development Co., Ltd measures products in the workshop in Dalian, northeast China's Liaoning Province, on April 7, 2020. Since the comprehensive resumption of production, private manufacturing enterprises in Dalian have been operating at a full capacity to recover production in an orderly manner. (Xinhua/Yao Jianfeng)

Workers of Dalian Kede Numerical Control Co., Ltd assemble products in the workshop in Dalian, northeast China's Liaoning Province, on April 7, 2020. Since the comprehensive resumption of production, private manufacturing enterprises in Dalian have been operating at a full capacity to recover production in an orderly manner. (Xinhua/Yao Jianfeng)

A worker of Dalian Kede Numerical Control Co., Ltd assembles a product in the workshop in Dalian, northeast China's Liaoning Province, on April 7, 2020. Since the comprehensive resumption of production, private manufacturing enterprises in Dalian have been operating at a full capacity to recover production in an orderly manner. (Xinhua/Yao Jianfeng)

A worker of Dalian Kede Numerical Control Co., Ltd assembles a product in the workshop in Dalian, northeast China's Liaoning Province, on April 7, 2020. Since the comprehensive resumption of production, private manufacturing enterprises in Dalian have been operating at a full capacity to recover production in an orderly manner. (Xinhua/Yao Jianfeng)