Pipes for a water project

Dear sir.
I'm writing this email on behave of great land motors and engineering p.l.c to ask for supply of pipes and fittings and electromechanical equipments for the water supply project which we are going to carry out, the list of the pipes and technical specifications are specified on the data sheet which is attached to the to the email(N.B: you can only the part that you can provide). The rates and costs of the pipes and fittings are to filled by your company.