你公司生产的主要产品是什么？
公司设计及生产的主要产品有：七氟丙烷气体自动灭火系统。
Design and production of the company's main products are: heptafluoropropane gas automatic fire extinguishing system.
目前，开发生产的主要产品有蝶阀、球阀、止回阀、闸阀等。
At present, we develop and produce the main products including butterfly valve, ball valve, check valve, gate valve and so on.
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