Guangdong Hecin Scientific, Inc. Address 4F, Building1, #1 Ruifa Rd, Luogang District, Guangzhou City, Guangdong Province, 510530, P.R.China E-mail hecin@hecin-scientific.com Phone (86) 20-82512529 Hours 8.30 a.m. to 5.30 p.m. Monday through Friday WANT TO WORK WITH US? CONTACT US
