Hengning Group introduces the energy-saving pretreatment technology — cold pad batch tech.  It saves a great number of water, vapor, electricity etc.  It fulfills energy-saving and environment-protection.  It introduces the advanced Donglin dyeing machine from Taiwan.  It applies sewage self-disposal tech.  After printing and dyeing water quality disposal fulfills the standard, it then makes discharge.  It is highly responsible for social environments.  At the same time of promoting local economy, it truly saves the energy and reduces the pollution discharge.  It is model example for local printing and dyeing enterprises.