国产特黄一级毛片特黄,日本黄色录像视频,久久不雅视频,午夜级限制电影在线观看

2020 官網(wǎng)升級(jí)中!現(xiàn)在您訪問(wèn)官網(wǎng)的瀏覽器設(shè)備分辨率寬度低于1280px
請(qǐng)使用高分辨率寬度訪問(wèn)。

CULTURE

MISSION

Make customers feelFirst class products
Professional Technology
Attentive Service

VISION

Let employees haveSense of mission, sense of honor, sense of belonging, sense of achievement, sense of responsibility

CONCEPT

Enterprise Concept Safety peers ? innovation and win-win As a service provider of industrial safety system solutions, Kaiyan always puts product safety first. We honor our commitment to you with practical actions, uphold the concept of continuously creating value, and inherit the platform we build and share with you.

Quality Policy

Quality Riented

Safety First

Satisfy Customers

Continuous Improvement

Quality Objectives

90

Customer Satisfaction

100

Factory pass rate of finished products

99

On time delivery rate