1.Factory Overview

Company Name Longwin Precision Hardware Manufacturing Co.,Ltd

Product

Established

Employee

Area

CNC,Shaft, Hinge,Stamping,Servo Lead,Nut,Rivet,Sensor shell,Motor Shell etc.2006.05

450

15,000m²

2.Development evolution

2014.112014.112014.11

2007.42007.42007.4

2008.102008.102008.10

2011.32011.32011.3

2011.112011.112011.11

2013.102013.102013.10

第二工厂成立

ISO9001:2000认证

ISO9001:2008认证ISO14001:2004认证

公司搬迁新厂房

15,000m2

苏州工厂成立

常州工厂奠基

2006.52006.52006.5

龙文精密成立

3. saleroom

终端市场分类

单位：百万人民币

4. Product categories

产品涉及领域占有率

龙文成为以下全球知名品牌的合作伙伴

工业及汽车类产品

消费类电子

5. Major customers

6-1.corner of workshop

6-2.corner of workshop

6-3.corner of workshop

6-5.corner of workshop

6-4.corner of workshop

6-5.corner of workshop

7.production machinery

设备种类 品牌 台数

数控车床 斗山、泷泽、津上 57

CNC 斗山、兄弟 49

外圆磨 18

无心磨 15

滚齿机 宁江 5

高频淬火机 3

磨擦焊接机 3

压铸机 力劲160T、240T、630T 5

TOTAL 155

加工项目 加工尺寸

长度 1,250mm*700mm

外径 360mm*400mm

深度 300mm

精度 ±0.001mm

8. Testing instrument LIST8. Testing instrument LIST

Segment Manufacturer Qty(set) RemarkCMM TESA 1Quadratic WANHAO 1Projector WANHAO 1Roughness Test M/C LIANSHENG 1Concentricity Test M/C 1Altimeter CHENGDU CHENGLIANG CO.,LTD 1Micrometer MITUTOYO 43 0~25mm;75~100mmCallipers MITUTOYO 45 0~150mmRun out Measurement MITUTOYO 10

Thread Gage(GO NO-GO) HONG FENG PRECISION MECHANICAL TOOL 18 M1.7~M6.0

Ring Gage(GO NO-GO) HONG FENG PRECISION MECHANICAL TOOL 26 M2~M12

Pin Gage(GO NO-GO) CHENGDU CHENGLIANG CO.,LTD 2 M0.45~M4.0Reliability Equipments

Salt Spray Test M/C DONGZHIXU 1

Hardness Test M/C Shanghai Laboratory Instrument Works Co., Ltd. 1

Torque Test M/C HIOS 5 Life-span Test Machine Self R&D 1 Total 156

9.Testing equipment

粗糙度测试仪

硬度仪 二次元 三点式内径千分尺

三次元盐雾测试仪

Quality Policy

10-1.Quality Management Flow

10-2.Quality Management Flow

IQC PQC OQC

* INCOMMING

INSPECTION

* SAMPLING

INSPECTION

- ONCE/LOT

- MILL S/T105D

G=Ⅱ,AQL 0.65

* IN-LINE

INSPECTION

* PATROL

INSPECTION

- 1SET/1HR

- C=0

* OUT GOING

INSPECTION

* SAMPLING

INSPECTION

- ONCE/LOT

- MIL S/T105D

G=Ⅱ,AQL 0.65

FPQC

*FINISH GOING

INSPECTION

* ALL

INSPECTION

- ONCE/LOT

- 100% SORTING

11-1.Product use

编码器类

11-2.The main products

11-3.The main products

11-3.Product use

伺服电机类

11-4.Product use

11-5.Product use

11-6.The main products

消费类电子

11-7.The main products

消费类电子

www.longwinmetal.com

11-8.The main products