بالابر قرقره ای کششی  تولیدکنندگان، عرضه‌کنندگان، توزیع‌کنندگان

SHENZHEN INVT ELECTRIC CO., LTD, which was established in 2002, is a National Hi-Tech Company and the first China Drive Engineering Centre, principally engaged in the R&D, manufacturing and marketing of low, medium and high voltage inverters in the fields of electric drive and industrial control.
Has set up over 30 representative offices nationwide, INVT has cooperated with hundreds of Distributors at home and abroad, with its diversified users in over 50 countries and regions.
Our self-developed products cover a wide range including CHA/CHV/CHE/CHF/CHH, voltage level from 220V to 10KV and power rating from 0.4KW to 7100KW; can meet many kinds of applications.
With the mastering of mature vector control technology and special inverter control technology in various industries, as well as breakthrough of four-quadrant control technology, INVT has been keeping ranking the top among national inverter manufacturers.
INVT always aim to be your mutual benefit partner and professional drive solution provider.

PFEIFER is a worldwide operating group of companies, that can look back at more than 440 years of tradition of producing ropes. With more than 1,700 employees our family business is located in 20 countries, on 3 continents, with more than 30 operating companies. Today, PFEIFER is one of the leading players on the market in the business areas rope & lifting, wire rope technology, structures and building systems.

از زمان تأسیس 30 سال پیش ، Qihe یکی از رهبران صنعت آسانسور بوده است. ما مشتاق هستیم که پایداری شهرها را افزایش داده و آنها را به مکانی بهتر برای زندگی تبدیل کنیم. بنابراین ، ما متعهد به توسعه تجهیزات و فناوری های ایمنی نوآورانه هستیم. ما به عنوان پیشگام در ارائه بهترین سیستم های کنترل آسانسور ، از جمله سیستم های آسانسور هوشمند و هوشمند شناخته شده ایم: Ekeeper.
علاوه بر این ، ما یک سری خدمات با کیفیت را برای نگهداری و نوسازی آسانسور ارائه می دهیم. ما که مقر آن در شهرستان پنگهو ، تایوان است ، یک تیم عالی از 40 استعداد خلاق داریم که به بهبود سبک زندگی شهری اختصاص داده شده اند.