China vows to exert tougher restrictions on excess capacity and redundant construction Enterprises looking to invest in the steel, cement or plate glass sectors will find it difficult to establish operations. The government is saying “no” to any expansion into these industries. China vows to exert tougher restrictions on excess capacity and redundant construction Enterprises looking to invest in the steel, cement or plate glass sectors will find it difficult to establish operations. The government is saying “no ” to any expansion into these industries.