English to Simplified Chinese Translation

I need 4 pages to be translated from English to Simplified Chinese I will not accept google translate and you will have to provide a sample before I release funds to check accuracy with my Chinese client which will check it There are a lot of technical references in the document so some words will be replaced with photos - I need you to indicate these words The project needs to be done in 2 days and we regularly need translation services like this EXAMPLE The bridge channel comes complete with a infeed mounting at the end the chain which is attached with a bolt and nut On the exit or front side the chain is connected by chain connector block and 16mm bolt Thread rods with adjusting and lock nut. The chain has 5 x loose claws and has a pipe bush on it between the chain and claw-bush there are 5 x springs and the springs are inserted into the top bush with 16mm bolt with lock nuts.