Surface Coating Thickness
(Microns) Color Resistance
Passivation 0-1 Silver Grey Temporary Protection
Nickel Ni+Ni 10-20 Bright Silver Excellent against Humidity
Zinc Zn 8-20 Bright Blue Good Against Salt Spray
C-Zn Shinny Color Excellent Against Salt Spray
Tin Ni+Cu+Sn 15-20 Silver Superior Against Humidity
Gold Ni+Cu+Au 10-20 Gold Superior Against Humidity
Copper Ni+Cu 10-20 Gold Temporary Protection
NdFeB Magnet Surface coatings
Excellent against Humidity
Good Against Salt Spray
Excellent Against Salt Spray
Superior Against Humidity
Superior Against Humidity
Black, Red, Grey
Excellent Against Humidity & Salt Spray
Excellent Against Humidity
Excellent Against Humidity, Salt Spray.
Physical and properties of NdFeB Magnet
Physical and Mechanical Properties of Neodymium Magnet:
Thermal Conductivity7.7 kcal/m-h-°CYoung's Modulus1.7 x 104 kg/mm2Bending Strength24 kg/mm2Compressive Strength80 kg/mm2Electrical Resistivity160 µ-ohm-cm/cm2Density7.4-7.55 g/cm3Vickers Hardness500 - 600
Shandong Qianhui Magnetic Materials Co., Ltd., founded in 2016, is a high-paying technology enterprise specializing in research, development, production and sales of high performance magnetic materials such as ndfeb and its products. The company has 50-100 employees, covering an area of 20,000 square meters. The company has years of production and sales history of ndfeb magnetic materials, with independent import and export rights, products exported to the United States, Germany, Korea, Japan and other countries.
Qianhui company rely on advanced production equipment and efficient enterprise management, passed the ISO9001 quality management system, 14000 environment system certification, SGS environmental protection certification and the European EN71 certification. Products are with high performance, high precision, small size. The company's magnetic materials products are widely used in electronics, electrical appliances, electric motors, electroacoustic, electric cars, VCM motors, voice coil motors, linear motors, computers and other fields. The product features low weight loss, high consistency and stability.
Development view: innovation, implementation, speed, service.
Customer view: excellent quality, reasonable price, high quality service.
Talent view: the best, the mediocre, the average.
Values: human value is higher than the value of things, common value is higher than personal value, social value is higher than profit value, and user value is higher than production value.
Enterprise spirit: qianhui people, the spirit of diligence, with a vast mind, achievement of qianhui cause.
Corporate culture: sincerity, respect; Caring and happy; Gratitude, harmony.
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