Negotiation in Mexico Proposals and negotiation in Mexico. Together we can grow in Mexico. Through the following secure form, you can start the negotiation in Mexico with The Amada Madonna Company. Form. Form to make business proposals in Mexico. Fields marked with * are required. What is your full name? * What is your email? * What is your country? * What is your State or city? * What is your phone number? * Please enter the phone number with the long distance code of the city and country. What is the name of The Company or commercial establishment you represent? What is the website of The Company or commercial establishment? What is your position in this Company or business establishment? Tell us about your proposal. * Submit Proposal