Yongkang Yu Pei Coating Equipment Co., Ltd. --- portable powder coating spray equipment common problems and solutions. Problem: Possible causes discoloration small areas: 1. 2 pre-treatment is not complete. Surface solutions: 1. Check the pre-treatment 2. Guangdong security door equipment. Chemically treated before clearing Yongkang Yu Pei Coating Equipment Co., Ltd. --- portable powder coating spray equipment common problems and solutions. Problem: uneven coating possible reasons: 1. The extraction rate differential. 3 operator fatigue. Powder size inappropriate solutions: 1. Referring to the top two. Shift work, or automatic spraying 3. Contact with the powder supplier Door equipment _ Yu Pei Coating Equipment (Online) _ Guangdong Door equipment from Yongkang Yu Pei Coating Equipment Co. Yongkang Yu Pei Coating Equipment Co., Ltd. (www.ypsb.cn114114.com) is an industry leader in Jinhua, Zhejiang, industry-specific equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. Yu Pei leader in coating equipment with the staff warmly welcome all inquiries negotiations to create the painting equipment Yu Pei better future.