Electrical chain hoist for stage [RM series but not (n)RM]

Customer: Our company was founded in 1995 and specializes in design development and installation of all types of technological systems on the objects of culture and entertainment in Russia. Every year, we design a dozens of projects for theatres, concert halls and another objects of entertainment industry.
Now we would like to find a new partners in the field of electrical chain hoist for stage. We are constantly needed in this sort of products.
Please note, that we can use in our projects only double brake hoists. If you produce this kind of hoists, please send me a price list and technical description.
We will be glad to cooperate with you!

RAMHOIST: ordinary electrical chain hoist for stage is single brake hoists, but we make double brake hoists for you and need MOQ 50 pcs for each type

0.5T*3M: 390 USD/unit

1T*3M: 450 USD/unit

Customer: Can you equip these hoist with 4 channel limit switch (low voltage control 24v) ? It is necessary under Russian legislative rules…

RAMHOIST: I don't know what's my understand channel is same as your understanding, below is our existing limit switch, but we understand it is chanel 1, would you send your need? thanks