If you are looking for a manufactures of plates with assemble of components, manufacture with outsource the assemble or a integrator .And you are looking for a low cost to launch our product of IOT (sensor, beacon, tag, gateway).
You need solution for gateway, sensor bluetooth and others like box.
Then we are so glad to recommend Shenzhen Feasycom Technology CO.,LTD.
Feasycom have many kinds of bluetooth beacon ,gateway and sensor product for options.
Bluetooth beacon :FSC-BP101,FSC-BP103,FSC-BP104,FSC-BP106,FSC-BP107,FSC-BP109
Bluetoth +WiFi gateway：FSC-BP201
Temperature and Humidity sensor :FSC-BP120 .
For more details ,feel free to Contact Feasycom .