Wittgen's 40th Anniversary of China in China，From 1982, the first Wittgen milling machine landed in Tianjin to today, more than 15000 of its products are all over China.；With the construction of China's transportation network from a big transportation country to a powerful transportation country，This is inseparable from the help of the builders of Wittgen's Chinese counterparts.。

Listen to the builder's story，Build a better China together，Road Builder Story Series of the 40th Anniversary People Interview：Chairman of Qinghai Mingfei Investment Development Co., Ltd.——Chang Weiming。

Wittgen China

If you make the decision，Family around you、Friends are all against it，Will you still insist on your choice?？

If this investment fails,，The result of your hard work.，It could go down the drain，Do you still have the guts to move forward?？

If you take these questions to ask Chang Weiming, chairman of Qinghai Mingfei Investment Development Co., Ltd.，He will answer you lightly.——It will！Because he's been through all this.。People who know General Manager Chang well，Everyone admires his vision and courage.，People say that he dares to venture and fight.，Have great wisdom。

  

Chang Weiming, Chairman of Qinghai Mingfei Investment Development Co., Ltd.

Have a unique insight Withstand the pressure and usher in success

Qinghai Mingfei is a leader of Party building.、Green development、Scientific and technological innovation，Produced with asphalt concrete、Sale、Non-public enterprises mainly engaged in road construction。

Since its establishment, it has participated in the reconstruction of Ningda Road in Xining.、Comprehensive upgrading and transformation of Bayi Road、Reconstruction of Kunlun Road、Times Avenue、Many road construction projects in Qinghai Province, such as the reconstruction of Xijiu Highway，In the construction field of cold in-place recycling technology in Qinghai Province，The Strength of Qinghai Mingfei，It is a unique existence.。

  

Qinghai Mingfei Asphalt Mixing Station Production Base

It dates back to 2015.，General Manager Chang is optimistic about the construction waste recycling market.，Decided to purchase Kelei mobile crushing and screening equipment under Wirtgen Group。“It will cost tens of millions of yuan to invest in this project.，Family、Friends are against it，Said the risk was too great.，If you fail, it will be terrible.！”General Manager Chang said。Facing the incomprehension of relatives and friends，He also felt great pressure inside.，But he firmly believes in the circular economy.、Green development is the trend of social development，The construction waste recycling market must be promising.。

And then，Proposed by the government“Lucid waters and lush mountains are invaluable assets.”Under the Environmental Protection Development Initiative，Many mines around the country have been shut down.，The national construction aggregate market will soon be in short supply.，At this time，The Kelei mobile crushing and screening equipment purchased by General Manager Chang has come in handy.，“Swallow”Construction waste，“Spit out”High quality aggregate with high added value，Turn waste into treasure，It can be called an artifact of green recycling of construction waste resources.。

  

Kelei mobile crushing and screening equipment purchased by Qinghai Mingfei

“Although the investment of Kelei mobile crushing and screening equipment is high，But it's worth every penny。First, the crushing efficiency is high.；The second is that although the power of the equipment is very high,，But fuel consumption is very low.；Third, it is convenient to move.，Put it where you need it.，It creates a lot of value for the company.。”

General Manager Chang sighed with emotion，After the success of this investment layout,，Relatives and friends around him all cast positive eyes and praise on him.，He was also proud of his persistence.。

Forward-looking layout Take good care of local cold recycling equipment

A man of singular vision，Often believe first.，After seeing。Back in 2015，Mr. Chang expected that the local cold recycling construction technology would be recognized by the market.，So he decided to buy Wittgen. WR 250 tire type cold in-place recycling equipment。

  

Wittgen tire type cold recycling equipment purchased by Qinghai Mingfei

“It took us six years.，Gradually opened up the market.。”General Manager Chang said，It is not easy to popularize the technology of cold in-place recycling.，A large number of successful test sections must be used to obtain the approval of the government and the owner.。

Thanks to Wittgen's perfect recycling equipment product line and mature construction technology support，As early as 2016, Qinghai Mingfei successfully applied cement cold recycling construction technology in Datong Shuangxin Highway.，The project is still in good condition since its delivery.。

  

The pavement material laboratory equipped by Qinghai Mingfei provides scientific and accurate data basis for strict quality control.

August 2021，Qinghai Mingfei introduced the latest model of Wittgen W 380 CR Crawler-type cold in-place recycling equipment，The foam asphalt in-situ cold recycling technology is adopted.GSuccessful Application of Rehabilitation Project of Huangnanzhou Section of Cemo Line 213。

GThe Huangnan section in Qinghai Province is an important passageway between Huangnan and Xining.，Aging of the pavement due to years of traffic load and ultraviolet radiation，Abrasion of asphalt surface、Cracking、Cleft reticulum、There are many longitudinal and transverse cracks，The decline in the condition index is more serious.。

The construction technology of cold in-place recycling of foamed asphalt can be carried out in sections.，The operation is simple，One hour after the completion of the regeneration construction, it can be passed.，And that construction period is greatly shorten。The regenerated section of the project has been in use for one year.，The roads are in excellent condition.。

  

  

Wittgen W 380 CR The equipment is inGSuccessful Application of Rehabilitation Project of Huangnanzhou Section of Cemo Line 213

“In the on-site observation activities attended by the relevant leaders and technical responsible personnel of the local competent department，The technicians carried out core analysis on the reclaimed pavement after one year of use.，I found that I couldn't tell where the regeneration layer was.，Where is the asphalt overlay?，This shows that our construction effect is very good.！”

General Manager Chang said，After this observation and inspection,，Everyone has witnessed the reliability and economic convenience of cold recycling construction technology in situ.。

  

Complete core samples taken from the construction of Wirtgen foam asphalt cold in-place recycling，Demonstrate excellent construction effect

“Buy Wittgen W 380 CR Cold in-place regeneration equipment unit，It is also an investment of tens of millions of yuan.，My family and friends were very supportive this time.，They all believe in my vision.。”

General Manager Chang said，In the field of road regeneration，Wirtgen has a complete line of recycling equipment，Can be a expressway、National and provincial trunk lines、Maintenance of rural roads and other roads of different grades，Provide cold in-place recycling including cement、Application of different technologies such as cold in-place recycling of foamed asphalt。

These cold in-place recycling technology applications are low-carbon and environmentally friendly.、Advantage of saving natural resources，It is very in line with the concept of green development path advocated by today's society.，Become the general trend in the field of road maintenance。

Be honest Work steadfastly

General Manager Chang is from Lu'an, Anhui.，More than 30 years ago，He came to Qinghai with sacks on his back to seek development.，By diligence、Bear hardships、A responsible attitude towards work，Slowly from an ordinary worker to a company boss。Although General Manager Chang is now a big boss.，But he still often runs to the construction site.，Deliver meals to workers personally when the project is busy，Because of the high temperature of asphalt pavement，It's normal for General Manager Chang to waste a pair of shoes in a month.，It's not unusual to waste a pair of shoes in a week.。

  

Construction site of Fogler paver and Hummer roller purchased by Qinghai Mingfei

“I started as a worker.，Know everyone's hard work.，So as a boss, I don't like to put on airs.。”General Manager Chang said，When working on the Times Avenue project,，Almost all employees of the company rushed to the construction site.，Three-shift continuous rotation to ensure the construction period and speed up the progress，He fought with everyone on the front line.，Work late into the night。He is already thin.，Lost five or six pounds in more than 20 days.。

Take the lead of the company leader，Lead by example，Mingfei's construction team also lived up to its trust.，Quality and quantity even exceeded the owner's expectations and completed the construction task ahead of schedule.。After this battle.，Also set up Qinghai Mingfei in the local construction industry dare to fight a hard battle.，A good reputation worthy of trust。

General Manager Chang said，The owner gave him the project to do is the trust of Qinghai Mingfei.，He can't live up to the precious trust of his partners.。“The enterprise is so big.，Profit is not our only goal.，Social responsibility is also important.，A gentleman loves money，Take it in a proper way，Do the conscience project，Do something for conscience，This original aspiration cannot be forgotten.。”General Manager Chang said solemnly.。

Trust Wittgen Always faithful.“Iron powder”“

At present, almost all the equipment used in our company is Wittgen's.，I remember that when the company was founded, it purchased the Vogler Paver Super 1900 under the Wittgen Group.、1800 series。

”Except for the paver，The milling machines purchased by Qinghai Mingfei are also Wittgen brands.，So far，The company has more than 30 Wirtgen devices, large and small.，On average, they purchase tens of millions of yuan of equipment from Wittgen China every year.。

  

Qinghai Mingfei owns more than 30 sets of equipment under Wittgen Group.

According to General Manager Chang，Qinghai Mingfei has been cooperating with Wittgen China since its establishment.，Qinghai Mingfei Investment Development Co., Ltd.“Cooperation、Share、Win-win”Coordinated development of enterprise concept，After years of cooperation，Wittgen China is not just a supplier role for Qinghai Mingfei.，It's like a brotherly relationship.，Deep feelings！

  

Wittgen Technical Service Engineer Conducts Operation Training for Qinghai Mingfei Staff

“Why have we been choosing the Wittgen brand for so many years?，Because the Wirtgen Group is a market leader in mobile road construction and maintenance equipment and a global leader in mining technology，It can provide one-stop technology leading solutions and service systems.，Rich product lines and services can meet the needs of our company.，It can also provide great technical support.，And the reliability and performance of Wirtgen Group equipment are widely praised.。

”Wittgen equipment works efficiently、The reliability is strong、Economical and fuel-efficient，It is a reliable guarantee for building quality engineering.，And the after-sales service is in place in time.，Use Wittgen's equipment to work all over the country without any worries.。

“This year marks the 40th anniversary of Wittgen's entry into China.，I sincerely wish Wittgen to continue to flourish in the Chinese market.，For our customers to bring more quality products.。”General Manager Chang said，Qinghai Mingfei will cooperate with Wittgen China in depth.，Relying on the technical advantages of Wittgen in the field of road construction and maintenance，Contribute more to the development of green road construction in Qinghai.！