major goods meaning in Chinese

制成品
主要商品

I am cheng of charge for the making of sth . , i want to follow you is not what major good , but good least of all is a project , do a project now not only do not earn money , run everywhere even , wanting to be opposite is not very stable , make reference only
我是做工程的，我想跟你就的不是什么专业好，但是最不好的就是工程，现在做工程的不但赚不到钱，还要到处跑，想对不是很稳定，仅做参考！