Company Profile
Shenzhen Qiaohua Industrial Co., Ltd. was established in 1980 and has now become one of China‘s largest manufacturers and exporters of doorbells, video intercoms, surveillance cameras, smart light switches and smart products. We have 2 factories in Shenzhen and Puning, covering an area of ​​104,000 square meters, and employing 1,600 people. Quhwa has 40 years of experience in ODM and OEM, and has established a global product supply network. Every month, at least 30 40-foot containers are shipped all over the world. Our customers can also purchase Quhwa products directly from the United States, Britain, Canada, Germany, France, Spain and Japan.

Quhwa‘s R&D team comes from a group of professional engineers. Most of them have been working in Quhwa for more than 10 years. The annual investment in research and development activities exceeds 3,000,000.00 US dollars. With strong design and R&D capabilities, we will have new product lunches every month, and they have been in the leading position in the industry.

Our production line includes three fully automatic SMT machines, EDXRF spectrometer, network analyzer, spectrum analyzer, temperature tester, transportation tester, salt spray tester, laser power tester, oscilloscope, six-network analyzer (Agilent Technologies / HP brand), spectrum analyzer and 30 sets of plastic injection machines can ensure our R&D, product quality control and production efficiency.

Composed of 200 professional QC testers, they pass 100% testing to ensure the quality of incoming materials, production processes and finished products. In quality abnormal analysis, rework follow-up and control, defect follow-up and control, and supplier management. With advanced equipment, they ensured CE, RoHS, cETL, CB, GS, UL and REACH standards.

Respect, integrity and sustainable development are our priorities. Every year, we will update and fulfill the ISO9001:2008, ISO14001:2004, OHSAS 18001:2007 standards.

In addition, our factory has passed the BSCI audit, and also passed the factory audits of some large retailers, such as the Home Depot factory audit. All our 24 production lines and the entire production process strictly comply with the standards of factory audits to ensure Quhwa‘s responsibility to employees and customers.

Thanks to our dedicated engineers and many different product lines, we can provide a variety of high-quality professional products. Quhwa is always looking for new product ideas and concepts. Look forward to working with you!
Product Advantages
Since 1995, we started focusing on product requirement of DESIGN, QUALITY and SIMPLICITY. With this policy, we have kept developing Quhwa-style products, which have been witnessed greatly successful by markets. Today, our products get following advantages.
01.World-Leading Professional Technology
Quhwa is the number one manufacturer of wireless door chimes, video intercoms, laser & LED projectors and wireless security cameras in the mainland China. All the industrial technology has been led and innovated by Quhwa all the times.
02.Reasonable Price with Best Quality
Our well-designed QC process and professional technology guarantees the good quality.  
03.European Stylish Design
Since 1999, we started focus on the product design to be European style. This has been witnessed true by our European clients and markets.
04. Big range with many different models for selection
To meet different requirements for different clients, we have over 300 models with multi functions for your selection.
05.20 new items come out every year
We consider new items can efficiently inject new blood into our business. So we spend over USD3M every year to make sure at least 20 new items will come out.
06.Eco-friendly Material
Quhwa’s production policy is Harmony between Human and Nature.
All raw materials purchased from our current suppliers are completely compliant with RoHS and REACH material, which ensures the products to be recyclable.
RoHS, REACH, CE, GS, FCC, ETL, UL, SAA compliant
Company Advantages
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1)40-year History Factory, great Production Management Experience
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2)Hardware: Own Land and Buildings. We have two own factories with land area reaching 70,000 square meters and none-dust production room floor space reaching 10,600 square meters. All land and buildings belong to our fixed assets.
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3)Software: ERP management system guarantees a smooth operation from input material to finished products, even delivery.
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Large Scale: 80-member R&D Team, 1,600 production workers, 24 production lines, 120 raw material suppliers, 4 SMT Machines, 44 Injection machines, 520 sets of molds,
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5)Mass Production Scale: 24 production lines ensure a monthly capacity of 600,000pcs wireless doorbells, 150,000pcs video intercoms and 400,000pcs LED & laser projectors.
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6)Quick Delivery: 30 days on average for every order.
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7)Purchasing Good Material with Best Price: to guarantee good quality and low cost, we buy raw material in large quantity steadly from our suppliers every time.
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8)ISO9001:2008, OHSAS18000, ISO14000, SA8000 certified factory
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9)Advanced Test Equipments for R&D: 5 signal generators (HP brand), 2 digital mobile radio transmitter tester (spectrum analyzer, Anritsu brand), 1 oscilloscope (Jingce brand), 1 two channel digital storage oscilloscope (Tektronix brand), 8 net analyzer (Agilent Technologies / HP brand), 3 signal source (Agilent Technologies brand), 2 spectrum analyzer (Agilent Technologies brand)