Do you know the "Iron Hammer (铁榔头)"? She is not a hero from a film like Iron Man 《（钢铁侠》）. But she is like a hero to Chinese sports fans. Her real name is Lang Ping (郎平). 请你根据下面相关信息写一篇英语短文介绍郎平和中国女排精神以及你感受贴在 Twitter（推特）的网站上.

About Lang Ping
Birth year：	1960
Birth place：	Tianjin
Nickname：	Iron Hammer
Her story：	作为运动员, 刻苦训练, 向世界证明中国女子够高, 够快可以打好排球. 作为教练, 带领…鼓励…振作
Team spirit：	勤学苦练；团结战斗；永不言弃
Achievements：	Achievements：多次世界杯冠军（championship）和金牌；正在备战2020 Summer Olympics.

注意：

1）词数 90 词左右；开头和结尾已给出，不计入总词数；

2）表达清楚，语法正确，适当增加细节，以使上下文连贯；

3）文中不得出现真实姓名和学校名称.  

Lang Ping, known as Iron Hammer, was once a powerful and skilled volleyball player but now is the famous chief coach of the Chinese women's volleyball team.

I believe they are sure to give us another big surprise!