Постоянная сила пружины (RoHS Сертификат)

Constant Force Spring(ROHS Certificate): Dear sir/Madam,Great pleasure to contact you!Let me introduce myself,my name is Sophy Han,as the manager of export department of Ningbo Zongda Electric Appliance Spring Co., Ltd.Our company are a professional manufacturer specialized in producing all classes of springs for Industrial machine,(ie.air hose reels, car's safety belts, balancer, Retractable Dog Leash, Ink Liner, Measuring Tape,meters and toys, etc.).Our springs are manufacture specialized in producing all kinds of springs for Agriculture machine,(ie.Gasoline,Diesel Engine,Hedge Trimmer,Lawn Mower,Gasoline Chain Saw,Chain Saw,Grass Trimmer,gasoline blower,etc...).Our springs are widely use all kinds of home appliances uesed auto recover of wire (ie. Vacuum Cleaner, electric cooker, Electric drier, Electric Water Bottle Starter, Electric iron,Meat grinder,Timer of washing machine and Fan, Oven, etc...).Constant force spring for door ,windows ,electric fans ,machines of lift and down.And are specialized in producing springs for various kinds of carbon and stainless steel products and supplies high elastic and heat treatment stainless steel &carbon steel.Our production range comprises the following dimensions: Width: 2.8mm - 80mm Thickness: 0.08mm - 3.0mm On the other hands, we can custom made the spring you need according to you specification,so OEM project is welcome. And we focus on middle-high market.Our company was awarded ISO9001 certificate. Our company has solid technical resources, superior equipment, advanced producing draftsman, highly accurate inspection method and perfect managing system. Our company has developed many new products such as SUS301,62Si2MnA, 60Si2MnA, 65Mn spring series. The main products of our company have been exported to oversea markets. Our company is trusted and praised not only by the relevant manufacturers but also by the majority of customers.Our company can provide reasonable price, fast shipping, timely delivery, continue developing advancing and innovation. The customers can get high quality products, preferential price, and good service from the company. Our company sincerely welcomes customers from both home and abroad to contact with us.