Excel Quimica S.A. de C.V.
Iztaccihuatl No. 10
Col. San Javier
Tlalnepantla
54030 Estado de Mexico
Mexico

Phone: 525.390.7543
Fax: 525.565.4255

Ing. Rafael Cruet-Gonzalez
C.P. 97101
Calle 15, num.103A por 18 y 20
Colonia Mexico Norte
Merida, Yucatan
Mexico

Phone/Fax: 52.29.948.01.87
Email: chacamer@avantel.net