Our company, Global Alternative Energy Solutions (GAES) seeks to provide affordable solar evacuated tube systems. WE ARE SEEKING GREAT PRICES. Following are specific requirements: We seek to purchase two (2) evacuated collector systems: one set containing 10 tubes for a one unit house serving two people and one set containing 20-30 tubes for a six apartment building serving 18-20 people. Our engineers require that you provide the technical dimensions of the requested system. We also require a breakdown of the price of each part. Note that we will obtain the storage tank in the United States. Additionally, for our customers to receive rebates and tax credits, we need proof that your product meets the Solar Rating & Certification Certificate (SRCC) classification. First, we want pricing for parts for a 58mm tube system for a single family home where two people live Second, we want pricing for parts for a 70mm tube system for a 6 apartment building where about 18 people in total live Following are the specifications of what we require. 1 - *Manifold header with capacity for 10 tubes and 20 tubes, respectively 2 - Pressurized tank 3 - Copper inlet and outlet pipe nipples -- 022 mm 4 -*Manifold header pipe -- 038 mm, 1 mm thick copper pipe rated for a maximum pressure of 10 kg/cm2 - with standard usage of 6 kg/cm2 5 - Heat pipe with all glass evacuated tubes -- made of TP2 Copper 6 - Condenser 7 - FCKW-free insulated box -- manifold is mounted in this to protect the collector against heat loss 8 - System controller 9 - Pipe fitting 10 - Immersion heater Thanks for your responses --we&＃039;re currently getting pricing from various manufacturers -- our interest is the best deal because many more orders will follow. My direct number is 773-331-7865 - Miss Madeline Sanders